()是定量描述磁场中各点的强弱和方向的物理量。

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问题:

()是定量描述磁场中各点的强弱和方向的物理量。

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中国对外开放体现的主要特点不包括(  )

A.遍布整个沿海地区

B.以广阔腹地为依托

C.交通条件比较优越

D.分布在东南沿海地区

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在我国,先进文化建设的基础工程是[ ]

A.发展教育科学

B.提高科技创新能力

C.完善民主法制

D.坚持基本经济制度

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过敏性休克首选

A.肾上腺素
B.去甲肾上腺素
C.麻黄碱
D.间羟胺
E.异丙肾上腺素

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单独或者合计持有公司3%以上股份的股东,可以在股东大会召开l0日前提出临时提案并书面提交董事会;董事会应当在收到提案后2日内通知其他股东,并将该临时提案提交股东大会审议。()

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When Dave was eighteen, he bought a secondhand car for 200 so that he could travel to and from work more (1) than by bus. It worked quite well for a few years, but then it got so old, and it was costing him (2) much in repairs that he decided that he had better (3) it.

He asked among his friends to see if anyone was particularly (4) to buy a cheap car, but they all knew that it was falling to pieces, so (5) of them had any desire to buy it. Dave’s friend Sam saw that he was (6) when they met one evening, and said, "What’s (7) , Dave"

Dave told him, and Sam answered, "Well, what about advertising it in the paper You may (8) more for it that way than the cost of the advertisement!" Thinking that Sam’s (9) was sensible, he put an advertisement in an evening paper, which read "For sale: small car, (10) very little petrol, only two owners. Bargain at 50. " For two days after the advertisement first appeared, there was no (11) . But then on Saturday evening he had an enquiry. A man rang up and said he would like to (12) him about the car. "All right, " Dave said, feeling happy. He asked the man whether ten o’clock the next morning would be (13) or not. "Fine, " the man said, "and I’ll (14) my wife. We intend to go for a ride in it to (15) it. "

The next morning, at a quarter to ten, Dave parked the car in the square outside his front door, (16) to wait there for the people who had (17) his advertisement. Even Dave had to (18) that the car really looked like a wreck. Then, soon after he had got the car as clean (19) it could be, a police car stopped just behind him and a policeman got out. He looked at Dave’s car and then said, "Have you reported this (20) to us yet, sir\

13().

A.exact 

B.suitable 

C.early 

D.late

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