题目内容
The earth might look like a perfect sphere，but careful measurements __________ .
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Passage Two Questions 36 to 40 arc based on the following passage． Natural gas began with the plant and animal life of the earth’s prehistoric seas．Dead organisms settled on the ocean floor and were covered by layers of mud，silt(淤泥)，and the layers of mud，silt，and sand were compressed into solid rock．As millions of years passed，these rock layers bucked shifted．and accumulation of gas and oil were displaced and became trapped beneath masses of nonporous rock． Primitive man discovered natural gas quite by accident．The temple fires of Baku on the Caspian Sea(里海)were fired by natural gas seeping(渗漏)from rock fissures(裂缝)，and worshipers(礼拜者，崇拜者)of hire journeyed to Baku from ad afar away as India．The mysterious“burning springs”in North America and elsewhere were also evidence of escaping gas，probably ignited by lighting． The first industrial application of natural gas was made by the Chinese．Gas transported by bamboo pipes was burned to evaporate brine and produce salt．Today there are some twenty—six thousand industrial uses for natural gas，and new uses are constantly being developed． Gas manufactured from coal was first produced early in the seventeenth century .Because of its elusive nature, it was called ghost, meaning “ghost”-hence, some day ,our word gas. The occurrence of natural gas at Baku was once linked with __________ .
He as well as I __________ you.
染色体主要由______和______组成。
Even a child would not be __________ by such an obvious lie.
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