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【简答题】
教师对待班里所谓的“差生”应该() A:顺其自然 B:发现闪光点,给予赏识和表扬,加以引导 C:严厉批评教育,促进努力学习 D:请家长来学校
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【单选题】科学研究发现,附着在内质网上的核糖体主要合成某些专供输送到细胞外面的分泌物质。下列哪种是由核糖体合成且分泌到细胞外的物质
A.
血红蛋白
B.
呼吸氧化酶
C.
胃蛋白酶原
D.
性激素
【简答题】In Colombia, there are some unwritten rules that people are used to. These rules are not officially established, but people do respect them. For example, on a bus, a person keeps a distance from anoth...
【单选题】It is an astonishing fact that there are laws of nature, rules that summarize conveniently (1)_____ qualitatively but quantitatively-how the world works. We might (2)_____ a universe in which there ar...
A.
just
B.
very
C.
just not
D.
not just
【简答题】When your friends or family get married, there are all kinds of wedding etiquette and rules that govern their behavior. But did you know there are rules for wedding guests too? To ensure that you don’...
【判断题】/f/ 和 /v/ 发音时口型相同,它们的发音要领是下唇轻触上齿,让口腔内气流从唇齿间隙的缝中挤出时摩擦成音。
A.
正确
B.
错误
【单选题】齿轮泵的结构(    )
A.
简单;
B.
复杂;
C.
不一定。
D.
一般都复杂
【单选题】科学研究发现,附着在内质网上的核糖体主要合成某些专供输送到细胞外面的分泌物质。下列哪种是由核糖体合成且分泌到细胞外的物质 [     ]
A.
血红蛋白
B.
呼吸氧化酶
C.
胃蛋白酶
D.
性激素
【简答题】齿轮泵的结构形式有()齿轮泵和()齿轮泵两种。
【简答题】I am a ager. I want to use the Internet. I know that there are rules about what I should do online. I agree to follow these rules, and my parents agree to help me follow these rules: 1. I will not...
【单选题】It is an astonishing fact that there are laws of nature, rules that summarize conveniently -【21】qualitatively but quantitatively - how the world works. We might【22】a universe in which there are no suc...
A.
just
B.
very
C.
just not
D.
not just
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