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【单选题】
细胞膜外表面的糖被在细胞的生命活动中具有重要的功能。下列各种生理功能的完成,与其有密切关系的是( ) 1胃黏膜上皮细胞的保护作用 2呼吸道上皮细胞的润滑作用 3主动运输 4使细胞与周围环境分开 5卵细胞膜表面对同物种精子的识别 6人体免疫细胞识别外来侵入物 7对O 2 的运输
A.
③⑤⑥⑦
B.
①②⑤⑥
C.
①③⑤⑦
D.
②④⑤⑥
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参考答案：
举一反三
【判断题】Polychronic people do one thing at a time.
A.
正确
B.
错误
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【单选题】大小和方向随时间（）的电流称正弦交流电。
A.
变化
B.
不变化
C.
周期性变化
D.
按正弦规律变化
查看完整题目与答案
【单选题】第二节 完型填空 阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。 One day Albert was reading an evening paper. To his【16】, be found his first teacher was【17】alive, but【18】a medal for having【19】for sixty years. ...
A.
surprise
B.
surprised
C.
surprising
查看完整题目与答案
【单选题】____, he still continued to work.
A.
As he was tired
B.
Though tired he was
C.
Tired he was
D.
Tired as he was
查看完整题目与答案
【单选题】二、知识运用（共两节, 满分45分） 第一节：单项填空（共15小题，每小题1分，满分15分） 从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 21．Besides the others, there was still____third one who said he was second to reach the end.
A.
a; a  
B.
a; the
C.
the; the    
D.
the; a
查看完整题目与答案
【单选题】大小和方向随时间()的电流正弦交流电。
A.
变化
B.
不变化
C.
周期性变化
D.
按正弦规律变化
查看完整题目与答案
【简答题】阅读下面短文，掌握其大意，然后从21-40各题所给的四个选项（A、B、C、D）中，选出最佳选项，并在答题纸上将该选项标号涂黑。 In the depths of my memory, many things I did with my father still live. These things come to represent, in fact, what I call __21__and ...
查看完整题目与答案
【单选题】_______ many times, he still repeated the same mistake.
A.
Having told
B.
Not having told
C.
Having been told
D.
Not having been told
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【简答题】辨析 little ; a little , few 和 a few 17. Dave has _____ friends here, so he often stays at home by himself and feels lonely. 18. Don't worry. We still have _____ minutes to catch the bus. 19. Now tee...
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【简答题】Part two: Cloze (20 items, 20 pts.) 阅读下面短文，掌握其大意，然后从各题所给的四个选项（A、B、C和D）中，选出最佳选项 Yesterday I was fortunate enough to find one more person in our world who is kind and caring. It was about 11:00 p.m.   2...
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相关题目：
【判断题】Polychronic people do one thing at a time.
A.
正确
B.
错误
查看完整题目与答案
【单选题】大小和方向随时间（）的电流称正弦交流电。
A.
变化
B.
不变化
C.
周期性变化
D.
按正弦规律变化
查看完整题目与答案
【单选题】第二节 完型填空 阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。 One day Albert was reading an evening paper. To his【16】, be found his first teacher was【17】alive, but【18】a medal for having【19】for sixty years. ...
A.
surprise
B.
surprised
C.
surprising
查看完整题目与答案
【单选题】____, he still continued to work.
A.
As he was tired
B.
Though tired he was
C.
Tired he was
D.
Tired as he was
查看完整题目与答案
【单选题】二、知识运用（共两节, 满分45分） 第一节：单项填空（共15小题，每小题1分，满分15分） 从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 21．Besides the others, there was still____third one who said he was second to reach the end.
A.
a; a  
B.
a; the
C.
the; the    
D.
the; a
查看完整题目与答案
【单选题】大小和方向随时间()的电流正弦交流电。
A.
变化
B.
不变化
C.
周期性变化
D.
按正弦规律变化
查看完整题目与答案
【简答题】阅读下面短文，掌握其大意，然后从21-40各题所给的四个选项（A、B、C、D）中，选出最佳选项，并在答题纸上将该选项标号涂黑。 In the depths of my memory, many things I did with my father still live. These things come to represent, in fact, what I call __21__and ...
查看完整题目与答案
【单选题】_______ many times, he still repeated the same mistake.
A.
Having told
B.
Not having told
C.
Having been told
D.
Not having been told
查看完整题目与答案
【简答题】辨析 little ; a little , few 和 a few 17. Dave has _____ friends here, so he often stays at home by himself and feels lonely. 18. Don't worry. We still have _____ minutes to catch the bus. 19. Now tee...
查看完整题目与答案
【简答题】Part two: Cloze (20 items, 20 pts.) 阅读下面短文，掌握其大意，然后从各题所给的四个选项（A、B、C和D）中，选出最佳选项 Yesterday I was fortunate enough to find one more person in our world who is kind and caring. It was about 11:00 p.m.   2...
查看完整题目与答案
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