乙苯异构成二甲苯要通过加氢、脱氢反应，这正是异构化催化剂金属功能的体现。（）

对工作业绩考核项目指标的设定，不能从工作的（）方面来考虑。

A.数量

B.质量

C.能力

D.成本

对《赤壁赋》所表达的感情，分析不正确的一项是[ ]

A．第1段写夜游赤壁，月夜泛舟，把酒诵诗，油然而生“遗世”“羽化”，飘飘欲仙的快乐情感。

B．作者写曹操横槊赋诗，慨叹自己谪贬黄州，抒发了对历史人物的无限同情。

C．主客对话，先悲后乐，既有哀怨消极，也有豁达乐观。

D．联想古人古事，借题发挥，抒发了内心的愤懑，表现了超然独立，不计得失的情怀。

洪水水文要素摘录表的主要内容有（）等项目。

A、水位

B、流量

C、流速

D、含沙量

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\

10().

A.uses 

B.loses 

C.has 

D.spends

水粉画最容易出现的问题是（）。

A．乱，灰，腻，跳

B．粉，灰，脏，花

C．花，闷，腻，灰

D．弱，乱，闷，跳