更多"Caves and hollow trees are not the "的相关试题:
[单项选择]Generally, it is only when animals are trapped that they ______ to violence in order to escape.
A. proceed
B. appeal
C. resort
D. incline
[单项选择]
The only problem with the debate last week was that the beginning sounded more like a personal attack than a dispassionate, intellectual arguing .（）
A. discussion
B. argument
C. talk
D. speech
[单项选择]The weight of the moon is only about ______ of that of the earth.
A. one eighty
B. one of eighty
C. one the eightieth
D. one eightieth
[单项选择]Only after I mailed the letter{{U}} {{/U}}that I had forgot to put a stamp on it.
[单项选择]According to the passage, only ______ trees can give us shade and products.
A. beautiful
B. old
C. healthy
D. young
[单项选择]She could only see the ______ of the trees.
A. outline
B. general
C. edge
D. outlook
[单项选择]The first trees were like modern trees in most ways except that ______.
A. they do not have branches
B. they do not have flowers
C. they do not have seeds
D. they do not need sunlight
[单项选择]Telecommuting is less environmentally friendly than office-based work.
[单项选择]Caves are formed by the chemical or action mechanical of water on soluble
A B
rock, by volcanic activity, and by earthquakes.
C D
[单项选择]Lehman Caves are______.
A. about a kilometre each
B. separated from each other
C. rooms made of limestone
D. what interest visitors most
[单项选择]That caves of Altamira, which were __ in northern Spain, contain interesting paintings by early cave dwellers.
A. found
B. invented
C. discovered
D. created
[单项选择]People in developing countries also live under thatch because ______.
A. thatched cottages are a big tourist attraction
B. thatched roof houses are the cheapest
C. thatch is an effective defense against the heat
D. they like thatched houses better than other buildings
[单项选择]The discussion was so prolonged and exhausting that ______ we had to stop for refreshments.
A. at large
B. at ease
C. at random
D. at intervals
[单项选择]The negative effect of engineering solution is that ______.
A. it costs a large amount of money which is not affordable
B. the government worries about the quality of the water conservancy
C. it destroys the habitat of plants and animals of that area
D. the government becomes more and more ignorant
