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【简答题】
To Buy or to Rent? 买房还是租房? A.Title: To Buy or to Rent? B.Word limit: 160-200 words (not including the given opening sentence) C.Your composition should be based on the OUTLINE below and should start with the given opening sentence: 'Today, the rocketing housing price has made it a huge burden for lots of people to possess a house.' OUTLINE: 1.A general description of the present situation 2.Peoples different views 3.My opinion
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【单选题】通常规定:电源容量在180千伏安以上,电动机容量在()以下的三相异步电动机就可采用直接起动。
A.
5千瓦
B.
7瓦
C.
7千瓦
D.
70千瓦
【判断题】乳果糖对糖尿病患者慎用;对有乳酸血症患者禁用;
A.
正确
B.
错误
【简答题】Part II: Choose the best answer
【判断题】若力的功值只与物体的始末位置有关而与具体路径无关,或者说在力作用下的物体沿任意路径绕行一周时,它们的功值均为零,我们把这种性质的力称为保守力。
A.
正确
B.
错误
【简答题】--Have you _____ the invitation to the party? --Yes, I have. And I've ______ it. A.accepted, received B.received, accepted C.received, received D.accepted, accepted
【单选题】容量在180千伏安以上的电源,7.5千瓦以下的电机都允许()启动。
A.
直接
B.
间接
C.
连续
【判断题】电源容量在180千伏安以上,电动机容量在7千瓦以下的三相异步电动机可直接启动。
A.
正确
B.
错误
【单选题】_____ your letter, I would have written back two days ago. [     ]
A.
If I received
B.
Should I received
C.
Had I received
D.
If I could have received
【多选题】从行动阶段向保持阶段过渡时,哪些“改变过程”在扮演重要角色?
A.
意识唤醒
B.
刺激控制
C.
自我重评
D.
强化管理
【单选题】通常规定:电源容量在180千伏安以上,电动机容量在7.5千瓦以下的三相异步电动机可采用()启动。
A.
降压
B.
直接
C.
调速
D.
以上三种
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