问题 填空题

甲型H1N1流感传入我国以后,为了控制疫情,防疫人员将消毒液喷洒在可能发生 疫情的地方,过一会儿,没有喷洒药水的地方也闻到了药味.这种现象叫做 ______,它说明药分子在不停地做无规则的 ______.

答案

由于一切物质的分子都在不停地做无规则运动,故没有喷洒药水的地方也闻到了药味,这种现象称为扩散.

故答案为:扩散,运动.

解答题
完形填空

One day I was doing an experiment in front of the classroom, wearing my favorite shirt. A voice came, “Nice shirt”. Then another   1  said, “That shirt belonged to my dad. Jimmy’s mother works for my family. We meant to throw the shirt away, but gave   2   to her instead.” Hearing the words, I was embarrassed. It was Mike. Mom worked for his family.

In the evening, I told my mom what had happened. She was silent for a while and then called her employer, “I will   3  work for your family.” That night, she knew her life’s   4   was something greater. She decided to find a more meaningful job.

The next day she   5   with the headmaster of a local public school. She was told that she could not teach without a proper education. So Mom decided to   6  a university.

A year later, she went back to the headmaster. He said, “You are serious, aren’t you? I think I have a   7   for you as a teacher’s assistant. This opportunity deals with some mentally disabled children with little or   8  chance of learning.” Mom accepted the opportunity very   9  .

For almost three years, she saw many teachers give up on the children and   0  , feeling   upset. Then one day, the headmaster   11   in her classroom, saying, “We have watched how you  12   the children over the last three years and admire your hard-working spirit. We all agree that you should be the   13  of this class.”

My mom spent over 20 years there. I was proud of her   14  she never gave up and also showed me how to deal with   15   situations. During her career, she was chosen as “Teacher of the Year”.

小题1:

A.shout

B.noise

C.sound

D.voice小题2:

A.it

B.them

C.one

D.this小题3:

A.even so

B.in reality

C.no longer

D.more than小题4:

A.goal

B.trick

C.problem

D.routine小题5:

A.ran

B.met

C.stayed

D.worked小题6:

A.visit

B.design

C.attend

D.start小题7:

A.condition

B.function

C.promotion

D.position小题8:

A.no

B.much

C.big

D.great小题9:

A.angrily

B.bitterly

C.eagerly

D.strangely小题10:

A.come

B.leave

C.return

D.succeed小题11:

A.went up

B.took up

C.handed up

D.turned up小题12:

A.accuse

B.blame

C.treat

D.cheat小题13:

A.monitor

B.teacher

C.headmaster

D.librarian小题14:

A.because

B.once

C.unless

D.if小题15:

A.pleasing

B.challenging

C.exciting

D.amazing