Fill the gaps of the sentences by deciding on the correct nouns. After each sentence, you are given detailed feedback regarding your answer.
1
In 1995, Elon Musk launched the firm Zip2 with his brother Kimbal and provided online city guide ____ with useful local ____ to major US city journals.
2
The two brothers put ____ into their firm and worked ____. Their ____ so successful that they could finally sell Zip2 for $307 million to the US computer pro-ducer Compaq.
3
In 1999, Musk co-founded the online financial service provider X.com, merged with its main competitor Confinity, and eventually named the new company Paypal. The firm conquered international markets, increased the number of ____ , and made so ____ that they could sell the company to ebay for $1.5 billion in 2002."
4
In 2002, Musk founded the space technology company SpaceX. It produces reusable rockets and ____. In 2015, SpaceX was the first in history to shoot a rocket into ____ and return it safely to earth with only ____.
5
With SpaceX, Musk aims high. First, he wants to reduce spaceflight ____ by a factor of 10. Secondly, he intends to send ____ to Mars within the next 10-20 years and wants to establish a Mars colony by the 2040s.
6
In 2003, Musk founded Tesla with two car engineers who had gained ____ in the car industry and provided ____ to Musk. Tesla wants to produce electric cars at ____ affordable to all consumers.
7
Musk also co-founded the firm Solar City, which develops innovative solar cell ____ and sophisticated solar panels in form of roof tiles. The tiles work well, but hardly make sense if no batteries are available to store ____ in times of low power consumption.
8
That's why Solar City developed battery powerwalls with huge capacities for energy ____. People can install these walls in their houses, just like their other ____ , and connect them with the solar tiles, thus becoming independent from the public grid.
9
Recently, there ___ also been much information about Musk's hyperloops. These are high-speed underground tunnels in which capsules ride on air cushions and transport hundreds of ____ and ____ from A to B. Predictions are that resident/residents can travel from LA to San Francisco in just 30 minutes.
10
Musk also co-founded Open AI. The firm supports scientists who are trying to develop friendly artificial ____. They have already made some ____. ____ good news , as there is growing concern that AI could turn evil.
11
Musk has also co-founded Neuralink, a technology startup which conducts diverse ____ in the field of computer brain interfaces. It tries to develop tools that can be inserted in the human brain to treat diverse ____and to up- and download thoughts.
Feedback
The correct words are "software" and "geodata", as both are uncountable and cannot be used in the plural: "In 1995, Elon Musk launched the firm Zip2 with his brother Kimbal and provided online city guide SOFTWARE with useful local GEODATA to major US city journals."
The correct words are "much effort", "much overtime" and "work was", as all three nouns are uncountable: "The two brothers put MUCH EFFORT into their firm and worked MUCH OVERTIME. Their WORK WAS so successful that they could finally sell Zip2 for $307 million to the US computer producer Compaq.2
The correct words are "employees" and "much progress". The first noun is uncountable and should be used in the plural form if preceded by "the number of". The second noun "progress" is uncountable and cannot be used in the plural: "In 1999, Musk co-founded the online financial service provider X.com, merged with its main competitor Confinity, and eventually named the new company Paypal. The firm conquered international markets, increased the number of EMPLOYEES, and made so MUCH PROGRESS that they could sell the company to ebay for $1.5 billion in 2002."
Here, the correct words are "spacecraft" or "spacecrafts" (because the countable noun has to correct plural forms, namely "spacecraft" or "spacecrafts"), "space" (which is an uncountable noun and cannot take the plural form), and "little damage" (because the noun is uncountable and cannot be used with "a few" nor in the plural form): "In 2002, Musk founded the space technology company SpaceX. It produces reusable rockets and SPACECRAFT/SPACECRAFTS. In 2015, SpaceX was the first in history to shoot a rocket into SPACE and return it safely to earth with only LITTLE DAMAGE."
The correct words here are "mankind" (because it is an uncountable noun) as well as "cost" or "costs" (If you refer to "Kosten" in an abstract sense, the singular is preferred. If there are different types of costs, e.g. in a financial list, you rather use the plural): "With SpaceX, Musk aims high. First, he wants to reduce spaceflight COST/COSTS low by a factor of 10. Secondly, he intends to send MANKIND to Mars within the next 10-20 years and wants to es-tablish a Mars colony by the 2040s."
The correct words are "much experience" and "much advice" (as both nouns are uncountable and cannot be used in the plural) and "prices" (as this noun is clearly countable and can be used in the plural): "In 2003, Musk founded Tesla with two car engineers who had gained MUCH EXPERIENCE in the car industry and provided MUCH ADVICE to Musk. Tesla wants to produce electric cars at PRICES affordable to all consumers.
The correct words here are "energy" (as the noun, here, is used in the abstract sense of "Energie" and is thus uncountable, though there is also a plural form, but this form is rather used in the sense of "Energieformen") as well as "material" or "materials", as both the singular and plural form work fine in this sentence, being correct in grammar and sense: "Musk also co-founded the firm Solar City, which develops innovative solar cell MATERIAL/MATERIALS and sophisticated solar panels in form of roof tiles. The tiles work well, but hardly make sense if no batteries are available to store ENERGY in times of low power consumption."
The correct words here are "storage" and "furniture", as both are uncountable and cannot be used in the plural form: "That's why Solar City developed battery powerwalls with huge capacities for energy STORAGE. People can install these walls in their houses, just like their other FURNITURE, and connect them with the solar tiles, thus becoming independent from the public grid."
The correct words are "has" (as the following noun "information" is uncountable), "people" (because the countable noun has an irregular plural form without "s"), "baggage" (because the noun is uncountable and has no plural form) and "residents" (as the noun is countable and is used in the plural form here): "Recently, there HAS also been much information about Musk's hyperloops. These are high-speed underground tunnels in which capsules ride on air cushions and transport hundreds of PEOPLE and BAGGAGE from A to B. Predictions are that RESIDENTS can travel from LA to San Francisco in just 30 minutes."
The correct words are "intelligence" and "progress" (which are both abstract, uncountable nouns which take no plural) and "This is" (because the following noun "news" is singular, uncountable despite the "s" at the end): "Musk also co-founded Open AI. The firm supports scientists who are trying to develop friendly artificial INTELLIGENCE. They have already made some PROGRESS. THIS IS good news, as there is growing concern that AI could turn evil.
The correct words are "research" (which is an uncountable noun and is not used in the plural form) and "diseases" (which is a countable noun that needs to be used in the plural here): "Musk has also co-founded Neuralink, a technology startup conducting diverse RESEARCH in the field of computer brain interfaces. It tries to develop tools that can be inserted in the human brain to treat diverse DISEASES and to up- or download thoughts."
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