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【判断题】
外胚乳具有胚乳的作用,仅见于无胚乳种子。()
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】After the school sports, our headmaster ______ the prizes.
A.
gave away
B.
gave in
C.
gave off
D.
gave up
查看完整题目与答案
【单选题】What does the woman mean?
A.
She wants to know what the man found in the hotel.
B.
She wants to know how the man likes the hotel.
C.
She thinks the hotel is not very good.
查看完整题目与答案
【单选题】Your body language _____ your real emotion.
A.
gave in
B.
gave up
C.
gave away
D.
gave out
查看完整题目与答案
【简答题】如何理解链段是高分子运动中的独立运动单元?( 20 分)
查看完整题目与答案
【单选题】生物膜的功能主要决定于( )。
A.
膜的结合水
B.
糖类
C.
膜脂
D.
膜蛋白
查看完整题目与答案
【单选题】听力原文：What does the woman want? (10)
A.
She wants to have lunch in the hotel.
B.
She wants to order some food for lunch.
C.
She wants to have breakfast in her room.
D.
She wants to eat something immediately.
查看完整题目与答案
【单选题】要使他励直流电动机调速时保持原来的机械特性硬度,则应采用( )
A.
电枢回路串电阻
B.
降低电源电压
C.
减弱磁通
D.
增大磁通
查看完整题目与答案
【判断题】降低电源电压调速前后机械特性的斜率不变,硬度较高,负载变化时,速度稳定性好。
A.
正确
B.
错误
查看完整题目与答案
【单选题】降低电源电压调速机械特性硬度( ),调速平滑性好,损耗较小,投资较大。
A.
变大
B.
变小
C.
不变
D.
变化
查看完整题目与答案
【单选题】What does the woman mean?
A.
She wants a drink.
B.
She doesn't want a drink.
C.
She wants to give the man a drink.
查看完整题目与答案
相关题目：
【单选题】After the school sports, our headmaster ______ the prizes.
A.
gave away
B.
gave in
C.
gave off
D.
gave up
查看完整题目与答案
【单选题】What does the woman mean?
A.
She wants to know what the man found in the hotel.
B.
She wants to know how the man likes the hotel.
C.
She thinks the hotel is not very good.
查看完整题目与答案
【单选题】Your body language _____ your real emotion.
A.
gave in
B.
gave up
C.
gave away
D.
gave out
查看完整题目与答案
【简答题】如何理解链段是高分子运动中的独立运动单元?( 20 分)
查看完整题目与答案
【单选题】生物膜的功能主要决定于( )。
A.
膜的结合水
B.
糖类
C.
膜脂
D.
膜蛋白
查看完整题目与答案
【单选题】听力原文：What does the woman want? (10)
A.
She wants to have lunch in the hotel.
B.
She wants to order some food for lunch.
C.
She wants to have breakfast in her room.
D.
She wants to eat something immediately.
查看完整题目与答案
【单选题】要使他励直流电动机调速时保持原来的机械特性硬度,则应采用( )
A.
电枢回路串电阻
B.
降低电源电压
C.
减弱磁通
D.
增大磁通
查看完整题目与答案
【判断题】降低电源电压调速前后机械特性的斜率不变,硬度较高,负载变化时,速度稳定性好。
A.
正确
B.
错误
查看完整题目与答案
【单选题】降低电源电压调速机械特性硬度( ),调速平滑性好,损耗较小,投资较大。
A.
变大
B.
变小
C.
不变
D.
变化
查看完整题目与答案
【单选题】What does the woman mean?
A.
She wants a drink.
B.
She doesn't want a drink.
C.
She wants to give the man a drink.
查看完整题目与答案
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