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【单选题】
如图所示，图1为细胞膜亚显微结构示意图，图2为突触结构示意图，则相关叙述正确的是 [ ]A.
图1中I侧为细胞膜内侧，Ⅱ侧为细胞膜外侧
B.
脂质分子可优先通过细胞膜与图1中A密切相关
C.
图2中E为突触后膜，F为突触前膜，C物质被释放出来依靠主动运输
D.
图2中C的名称为，C与D结合后，突触后膜电位由外正内负变为外负内正
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【简答题】汽车上的双雨刮器采用的是 机构
【单选题】What do you do to【21】care of the books in your library? Some of the most collectors【22】to read the books in their collection【23】the books remain in mint【24】. Others buy two copies of a book they【25】on...
A.
put
B.
get
C.
take
D.
give
【单选题】Color is very important to most animals for it helps them to get along in the world. Color【21】to make an animal difficult for its enemies to【22】. Many animals match their【23】 so well that as long as t...
A.
helps
B.
contributes
C.
tries
D.
manages
【简答题】汽车上的双雨刮器采用的是 ___________ 机构。
【简答题】根据下列句子及所给单词的首字母，写出各单词的完全形式（每空限填一词）。 1. Of the twelve m_____ in the year, January comes first. 2. Jackie, do remember to wash your hands b_____ the meal! 3. Mary's suitcase was too heavy; Mike c_____ i...
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