99.8.5 By means of various types of wind tunnels, ……simulate most of the flight conditions to which an airplane is subjected .
A . with rural Maine life B. that life in rural Maine C. about life in rural Maine
D. life in rural Maine 答案是B为什么?
00.10.22.Onyx is a mineral that can be recognized its regular and straight parallel bands of
A B C
white, black, or brown. 答案是A, 正确的形式是什么?
D
00.10.26.Among the symptoms of measles, which takes about twelve days to incubate, are a
A B C
high afever, swelling of glands in the neck, a cough, and sensitive to light.
D
答案是A, 正确的形式是什么?
94.10.25. In August 1774 John Adams left Boston and went to Philadelphia in a
A B C
representative to the First Continental Congress. D
答案是c, 正确的形式是什么? 为什么?
多谢了!!!
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