更多"Newly-found fossilized tracks in Al"的相关试题:
[单项选择]Newly-found fossilized tracks in Alaska proved that dinosaurs' migration between Asia and North America took place ______.
A. much earlier than experts previously thought
B. much later than experts previously thought
C. after Asia became an independent continent
D. sometime around 25 million years ago
[单项选择]ewly-found fossilized tracks in Alaska proved that dinosaurs’migration between Asia and North America took place _____.
A. much earlier than experts previously thought.
B. much later than experts previously thought.
C. after Asia became an independent continent.
D. sometime around 25 million years ago.
[单项选择]Newly- found fossilized tracks in Alaska proved that dinosaurs' migration between Asia and North America took place ________.
A. much earlier than experts previously thought.
B. much later than experts previously thought.
C. after Asia became an independent continent.
D. sometime around 25 million years ago.
[单项选择]The past few decades in Birmingham have proved that slum clearance ______.
A. will usually take longer than expected
B. creates as many problems as it solves
C. often raises racial issues
D. always achieves its aims, if well planned
[单项选择]It has been proved all of the following except that ______.
A. smiling does good to health
B. laughter can produce pain
C. there is a way to reduce pain
D. laughter can work the muscles in the feet
[单项选择]The reconstruction of a fossilized animal's external appearance is considered necessary in order to______.
A. satisfy popular curiosity
B. answer scientific questions
C. establish its activities
D. determine its eating habits
[单项选择]The muscles of a fossilized animal can sometimes be reconstructed because______.
[单项选择]Telecommuting is less environmentally friendly than office-based work.
[单项选择]The officials of Alaska native corporations gathered to ______.
A. discuss the reform proposals
B. find ways to help native Alaska people
C. improve corporate competition
D. protest against the Pentagon
[单项选择]Nitroglycerin is an unstable chemical compound that is very sensitive to sudden movement-----dangerous to transport.
A. because
B. and therefore
C. why it is
D. making
[单项选择]Exploratory investigations reveal that Alaska is capable (to produce) 45 to 55 percent of (its own requirements) of agricultural products, (instead of) approximately to percent, (the quantity) now produced.
A. to produce
B. its own requirements
C. instead of
D. the quantity
[单项选择]The discussion was so prolonged and exhausting that（） the speakers stopped for refreshments.
A. at large
B. at intervals
C. at ease
D. at random
[单项选择]Different cultures may answer differently, and that even the same culture may answer differently, in different periods of history or at different steps of its development.（）
A. 不同的文化可能有不同的回答，甚至同一文化在不同的历史时期或不同的发展阶段也可能有不同的回答。
B. 不同的文化甚至是相同的文化都会有不同的答案，在不同的历史时期不同的发展阶段都是这样。
C. 不同的文化解答的方式是不同的，相同的文化解答也是有差异的，尤其是在当前的发展时期和现在的发展阶段。
D. 不同的文化有不同的回答，相同的文化有相同的回答，不同的时期和阶段都有不同的回答。
[单项选择]The new Russian holiday appears to demonstrate that Russia is A. becoming less Communist. B. strongly enforcing a link between ideology and history. C. becoming opposed to the influence of western Christianity.
[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
