9. Internet was invented in the late 1960s ... the US Defence Department's Advanced Research Projects Agency. A) from B) by C) at D) with
10. It is getting … and … to find an inexpensive restaurant.
A) the hardest/the hardest B) hardest/hardest C) the harder/the harder D) harder/harder
11. The original... of the Web was to help manage one extremely complex project.
A) intense B) intensive C) intend D) intention
12. ... she meets, they take an instant liking to her. A) Whoever B) Wherever C) Who D) Whose
13. I ... a card to the club and in the afternoon I went there to play bridge.
A) had been given B) were given C) was given D) have given
14. Would you rather … or … dinner at home tonight?
A) to eat/cook B) to eat to cook C) eat/cook D) eating/ cooking
15. Listen! Someone ... at the door. A) knocks to knock C) has knocked D) is knocking
16. The officer said to the guardsman, “Take the prisoner away”.
A) The officer ordered the guardsman to take the prisoner away.
B) The officer said to the guardsman taking the prisoner away
C) The officer told the guardsman that he will take away the prisoner.
D) The officer asked the guardsman take the prisoner away.
17. Everything ... before you came. A) is done B) was done C) has done D) had been done
18. What did John … to you that you're so upset? A) wonder B) tell C) ask D) say
Data from the Pioneer spacecraft of NASA apparently prove the theory that the high surface temperature of Venus is due to an atmospheric greenhouse effect caused mainly by a blanket of carbon dioxide. Such a greenhouse effect is created when energy in the form of sunlight easily passes through a planet’s atmosphere, warms its surface, and is converted to heat radiation that is then held in by the atmosphere from top to bottom. Venus has a relatively thin atmosphere like the Earth’s, but Venus’ atmosphere consists of more than ninety percent carbon dioxide, compared to less than four percent in that of the Earth. Because of its higher percentage of carbon dioxide, Venus’ atmosphere traps much more heat radiation than does the Earth’s. Thus, the Venus studies are believed to be important to the understanding of possible adverse effects on the Earth’s agriculture that could result from the long-term use of fossil fuels, which add carbon dioxide to the atmosphere.
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