Task 221.For as long as three months of a year, the sun_________on the ice-covered land of-陕西自考网

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陕西自考网> 试题题库列表页> Task 221.For as long as three months of a year, the sun_________on the ice-covered land of Alaska22.According to statistics,_________of the total area of Alaska has been used for farming, 23.Alaska was originally part of Russia, but was bought_________24.Gold did not bring to Alaska as much wealth_________25._________has become Alaska's single important resource.A. as fish doesB. oilC. by the United States in the 19th centuryD. shines day and nightE. only a very small percentageF. a limited amount of the gold found there

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卷面总分：100分试卷年份：2023.04 是否有答案：有作答时间： 120分钟

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Task 2
21.For as long as three months of a year, the sun_____on the ice-covered land of Alaska
22.According to statistics,_of the total area of Alaska has been used for farming,
23.Alaska was originally part of Russia, but was bought_
24.Gold did not bring to Alaska as much wealth_
25._____has become Alaska's single important resource.
A. as fish does
B. oil
C. by the United States in the 19th century
D. shines day and night
E. only a very small percentage
F. a limited amount of the gold found there

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Why does the author mention the specimen preserved in the birth canal?

A、To illustrate that the embryo fossils are quite advanced in their development.
B、To explain why the fossils are well preserved
C、To explain why the fossils are well preserved
D、To prove that ichthyosaurs are marine animals