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【简答题】
One day, little Mike's mother went to the river to do some washing.Before she left, she said to him: “Mike,while I am away, stay near the door and watch it all the time! ”She said this because she was afraid of the thieves. Mike sat down beside the door.After an hour,one of his uncles came.He asked Mike, “Where is your mother? ”  “She has gone to the river to do some washing.”Mike answered.'“Well.”said his uncle, “now it is a quarter to two.Three hours later we are going to visit your family.Go and tell her about it,for I'm too busy, I have to hurry...” After his uncle had gone away,Mike began to think , “Mother had asked me to watch the door all the time and my uncle told me to go and tell my mother. What shall I do?”he thought and thought. Finally he pulled down the door, put it on his back and went to the river with it. 小题1: What did Mike's mother ask him to do while she was away?_________. A.To wait for her. B.To watch the house. C.To look after the child. D.To wait for his uncle. 小题2: How many uncles did Mike have?_________. A.One. B.Two. C.Three. D.We don't know. 小题3:. What should Mike do?_________. A.He should lock the door before he went to the river. B.He should ask his uncle to tell his mother. C.He should go to the river with the door open. D.He should watch the door all the time.
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【单选题】下列化合物中属于布朗斯特碱的是
A.
CH 2 Cl 2
B.
(CH 3 CH 2 ) 3 N
C.
Cl 2
D.
HCOOH
【单选题】Speaker A: Excuse me, can you tell me where High Street is, please? Speaker B :
A.
It’s quite far from here. You can’t get there.
B.
Not at all. It,s only about 5 minutes ' walk.
C.
Take the second turn on the left and then ask again.
D.
I should ask you. I’m a stranger myself.
【单选题】下列化合物中属于碱的是( )。
A.
CaCO3
B.
Al(OH)3
C.
H2SO4
D.
HClO
【单选题】下列化合物中属于生物碱的是
A.
胆固醇
B.
吗啡
C.
樟脑
D.
α-胡萝卜素
【简答题】下列化合物中属于咖啡碱的是( )。
【判断题】根据图2所示切割体的正面投影和水平投影,判断(1)问题的正确与否。 (1) 其基本体是圆柱体。
A.
正确
B.
错误
【多选题】第二节(共5小题;每小题2分,满分10分) 根据短文内容,从短文后的选项中选出能填入空白出的最佳选项。选项中有两项多余选项。 71 Frankly, I very much appreciate myself. Yes, I admit I’m in many respects(方面) not as good as other people, but I don’t think I’m alway...
A.
I also appreciate other people.
B.
On Self-control
C.
On Self-Appreciation
D.
People may call me conceited(自负的). E. We need appreciate ourselves. F. One will lose confidence in continuing with writing when heceases(停止) to admire his own essays. G. As a matter of fact, there is probably no differenc at all between what is said by him and you respectively(各别地).
【单选题】下列化合物中属于异喹啉类生物碱的是
A.
秋水仙碱
B.
苦参碱
C.
莨菪碱
D.
汉防己碱
E.
长春碱
【多选题】下列化合物中,属于碱的是( )。
A.
NaOH
B.
Ca(OH)2
C.
CuSO4
D.
NH3.H2O
【单选题】下列化合物中属于Lewis碱的是
A.
三氟化硼
B.
四氢呋喃
C.
碳正离子
D.
氯化铝
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