在中国南方农民刚刚开始种植野生水稻时，“粟的驯化”显然已经在中国北方进行着。下列

彼はとても明るく、病気が重い（　）を感じさせなかった。

A．気持ち

B． 気分

C．気配

D．気体

实验桌上有如下器材：：一台天平（含砝码）、一只空瓶和适量的水（密度为ρ_水）．请你利用这些器材设计一个测定牛奶的密度的实验方案．要求写出简要实验步骤和牛奶密度的表达式．

In Britain, people have different attitudes to the police. Most people generally    1   them and the job they do-although there are certain people who do not believe that the police should have the power that they do.

What does a policeman actually do? It is not a(n)   2 job to describe. After

all, a policeman has a number of jobs in one. A policeman often has to control traffic,either on foot in the center of a town, or in apolice car on the roads. Indeed, in Britain, he might be in the Traffic Police and spend all, or a lot of, his time   3up and down main roads and motorways. A traffic policeman has to help keep the traffic moving, stop   4  motorists and help when there is an accident.

A policeman has to help keep the   5 , too. If there is a fight or some other

disturbance, we   6  the police to come and restore order. And they often have to7  situation at great risk to their own   8 .

We expect the police to solve crimes, of course; so an ordinary policeman,

9  he is not a detective(侦探), will often have to help   10 and arrest criminals.

And who do we call when there is an emergency-an air crash, a   11 , a

road accident, or a robbery? We call the police. So a policeman has to be   12  to face any unpleasant emergency that may happen in the   13 world.

The police do an absolutely necessary job. They do it   14  well and I

support them, but I do not envy policemen. I do not think that I could  15  do

the job of a policeman.  

1.A.dislike        B.join          C.appreciate     D.admire

2.A.funny          B.pleasant      C.interesting    D.easy  

3.A.walking        B.driving       C.wandering      D.searching

4.A.resting        B.tired        C.speeding       D.drunken

5.A.peace          B.silence       C.situation      D.condition

6.A.wait for       B.call          C.think of       D.expect

7.A.turn to        B.avoid         C.deal with      D.treat

8.A.safety         B.families      C.future         D.friends

9.A.although       B.as if         C.however        D.even if

10.A.get rid of    B.question      C.look for       D.sentence

11.A.power failure B.fire          C.thunder storn  D.thief

12.A.provided      B.promised      C.prepared       D.presented

13.A.future        B.modern        C.real           D.whole

14.A.extremely     B.specially     C.surprisingly   D.particularly

15.A.hardly        B.forever       C.ever           D.never

经办行要在国家助学贷款借款人毕业后（取得毕业证）（）内，向学校递交《借款人毕业后情况登记表》，由学校提供借款人的有效联系方式。

A、1周

B、10天

C、15天

D、1个月

老年人的动脉管壁组织发生变性可引起

A．大动脉弹性回缩作用增强
B．收缩压降低，舒张压增高
C．收缩压和舒张压变化都不大
D．脉压增大
E．脉压减小