此题为判断题(对,错)。
第1题:
A、The/ the/ the
B、The/ a/ the
C、A/ a/ the
D、A/ a/ a
第2题:
[A]the universe[B]Earth’s gravity
[C]the earth[D]outer space
选择B选项
解析:第一部分第三段最后一句话Only within the past 25 years, however, have some of its passengers broken free of Earth’s gravity.
第3题:
The best title for the text may be_____ .
[A] The Green Threat [B] Protecting Forests [C] Earth’s Liberation [D] Terrorism Defeated
第4题:
A、attack
B、attacking
C、attacks
D、having attacked
第5题:
[A] snow [B] earth [C] room [D] ice
本题考查根据上下文选择恰当的词。四个选项都是常见的简单词汇,关键要根据句子含义进行选择。空格所在句子的结构是there is plenty of sth. for you to... ,其中不定式作结果状语,意为“轮子下有足够的……让你打滑并被碾成肉酱”。根据句子逻辑,应是“(足够的)空间”,而非“雪”,“泥土”或“冰”。因此[C]正确。
第6题:
The direction of prevailing winds in the Northern hemisphere is caused by the ______.
A.Magnetic field at the North Pole
B.Gulf Stream
C.Earth's rotation
D.Arctic cold fronts