第二卷（共35分）
第四部分：写作（共两节，满分35分）
第一节：短文填词：（共10小题，每小题1分，满分10分）
On the one hand, the robots sent to the planets have not yet found
any (迹象) of life on Mars, but they have found evidence 76.
that water freely over the planet’s surface millions of years 77.
ago. addition, water in the form of ice exists below some 78.
p of the Martian surface today. 79.
On the other hand, d life on Mars would change the 80.
present view of the Universe and also give a big push toward man’s.
work there. But a group of experts o by President Barack Obama 81.
told him last October that US (太空) policy should now focus 82.
on sending human beings to Mars instead of (又一，再一) moon 83.
landing. Michael Griffin, a former head of NASA, believes 84.
a human trip to Mars could be p by 2037. 85. 76. signs 77. flowed 78. In 79. parts
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(答案→)76. signs 77. flowed 78. In 79. parts
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