The first lesson learned as a newcomer for the company was never to () the degree of difficulty I would face in career advancement.

下述程序功能为将首地址为FIRST的字符串送到首地址为SECOND的内存区，用一条指令填空。

CLD

LEA SI，FIRST

LEA DI，ES：SECOND

MOV CX，10

分别指出以下两个程序段的功能。（1) MOV CX,10 （2) CLDLEA SI,FIRST LEA DI, [1200H] .LEA DI, SECOND MOV CX, OFFODHSTD XOR AX,AXREP MOVSB REP STOSW

A.twentieth; one

B.twenty; one

C.twentieth; first

D.twenty; first

下述程序功能为，将首地址为FIRST的字符串送到首地址为SECOND的内存区。请用一条指令填空。

CLD

LEA SI， FIRST

LEA DI， ES:SECOND

MOV CX， 10

A.coordinated

B.communicated

C.cooperated

D.associated

下述程序段功能为将首地址为FIRST的字符串送到首地址为SECOND的内存区。

请用一条指令填空。

CID

LEA SI， FIRST

LFA DI， ES:SECOND

MOV CX， 10

________________ ________________

drugs. So the first important lesson is not to expect too many from drugs. If you can accept the fact __5__that the war against many of our most devastating diseases is

ry.I 21 all my other hobbies, such as collecting stamps, and spent all my spare time reading poetry and writing it.This habit of writing poetry 22 every possible occasion soon got me into trouble at school.23 a lesson did not interest me, I would take out my notebook and start writing poems in class.Of course I did this very cautiously, but it was not long 24 I got caught.One day while I was busy writing a poem during a geography lesson, I looked up to find the teacher standing over me, fuming with anger 25 I was not paying attention.He tore the poem up, with a warning 26 time in his class.All the same I was convinced that I had written a good poem, so that evening I wrote it out again 27 memory.Not long 28, I read about a poetry contest and I decided to send in my poem.Weeks later, long after I had given up hope, I got a letter 29 me I had won the first prize.Everyone at school was very impressed --- except the geography teacher, who watched me more carefully than ever.He was quite 30 that I was not going to write poetry in his lesson!

21.A gave up

B.developed

C.Followed

D.forgot

22.A.at

B.on

C.in

D.with

23.A.Unless

B.Since

C.If

D.Given

24.A.after

B.ago

C.when

D.before

25.A.as

B.because

C.therefore

D.but

26.A.not to waste

B.not wasting

C.not waste

D.is not wasting

27.A.with

B.at

C.from

D.on

28.A.before

B.after

C.ago

D.since

29.A.inform

B.informed

C.informs

D.informing

30.A.determined

B.expected

C.impressed

D.worried

Imagine this situation: you have bought a faulty item from a shop and you take （) back

to complain. You go directly to the shop assistant and tell them your problem. They say they cannot help you, () makes you angrier, to the point perhaps where you start insulting the poor shop assistant. RESULT: This will do you no (), like getting any compensation, or even a refund. If you go directly to the first person you see within the organization you are complaining about, you may be wasting your time () they may be powerless to take any action or provide you () a solution. So the important lesson to be learnt is to make sure firstly that you are speaking to the relevant person, the one who has the authority to make decisions.

Lisa is analyzing the questionnaire about online shopping.

Lily: Hi, Lisa. Pretty busy？ Right？

Lisa: Yeah, I'm collecting data from the questionnaires for the online shoppers on the ().

Lily: Really？ Sounds interesting.

Lisa: Well, the results are quite(). What do you think are the most popular things people buy online？

Lily: Definitely, clothes.

Lisa: No, at first I thought so too, but the results show that I'm wrong.

Lily: How could that be？ If the most popular thing being sold online is not clothes, then what is it？

Lisa: Don't feel surprised.()the survey, online courses()the first place, especially the courses for accounting and languages.

Lily: Really？ It's unbelievable. What's next？ It should be the clothes or snacks, right？

Lisa: You are wrong again, the results shocked me too. Following online courses, health products()the second place.

Lily: That really surprised me, too. You just taught me a lesson and()my understanding about online shopping.

Lisa: Have a seat, and let me show you some more unexpected results.

Lily: OK! I'm really()about it.