燃煤时要特别注意室内通风,以免生成的有毒气体造成人员中毒。有毒气体主要指 [ ]

题型:选择题

问题:

燃煤时要特别注意室内通风,以免生成的有毒气体造成人员中毒。有毒气体主要指 [ ]

A.氧气

B.氮气

C.一氧化碳

D.二氧化碳

考点:一氧化碳的毒性
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鸡蛋中可以发育成小鸡的结构叫做___________。

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属于德育的特点有( )。

A.教育性

B.社会性

C.方向性

D.历史性

E.相对独立性

题型:选择题

关于痢疾杆菌,下列哪项是正确的()

A.革兰阴性杆菌,有鞭毛

B.可在普通培养基上生长

C.需氧菌,对理化因素抵抗力强

D.外界生存时间甚短

E.不断产生耐药菌株,常呈多重耐药,耐药的发生与R因子有关

题型:选择题

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\

1().

A.directly 

B.safely 

C.properly 

D.easily

题型:选择题

关于合伙企业的利润分配,如合伙协议未作约定且合伙人协商不成,下列哪一选项是正确的?()

A.应当由全体合伙人平均分配

B.应当由全体合伙人按实缴出资比例分配

C.应当由全体合伙人按合伙协议约定的出资比例分配

D.应当按合伙人的贡献决定如何分配

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