内质网系膜与高尔基体膜的膜蛋白的糖基都是面向内侧(腔侧)的。()
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2003年7月中国西部12省区工业增加值最多的是()
A. 四川省
B. 云南省
C. 陕西省
D. 重庆市
The passage says that the biosphere_____.
A. extends only 1,200 feet below the earth's surface
B. is about seven miles in width
C. is as much as twenty-five miles in thickness
D. is a zone only about one hundred feet wide
The writer states that fungi and bacteria_____.
A. are only found below the normal altitude of jet planes
B. have been found well at the normal altitude of jet planes
C. are not found below the surface of the earth
D. are mainly found below the surface of the earth
How did the police feel when they found the baby？
A. Sorry.
B. Surprised.
C. Unhappy.
D. Relieve
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