+75 +36 = 75 +(64 +36)运用了()
A.加法交换律
B.加法结合律
C.乘法交换律
D.乘法结合律
E.乘法分配律
加法交换律加法结合律
A.加法交换律
B.加法结合律
C.乘法交换律
D.乘法结合律
E.乘法分配律
加法交换律加法结合律
Both these types are entirely different【61】their behavior. The man who【62】is always talking about his"【63】"; he thinks that society should【64】him a pleasant, easy life. The man (who is always doing more than【65】) talks of "duties" ; he feels that the 【66】is in debt to society.
The man who tries to do as【67】as he can is always full of【68】. For instance, if he has【69】to do something, it was because he was【70】by bad luck. His opposite is never【71】 busy to take on a (an)【72】piece of work. So it is【73】that if you want something【74】in a hurry, go to the busiest man whom you have【75】in.
(36)
A.in
B.by
C.as
D.of
On line I met a man【59】said he was a manager in a big company in Dalian. We【60】pleasantly first, then exchanged e-mail【61】in order to keep in touch in the future.【62】, he sent me【63】. When I opened it, I found, to my【64】, a detailed(详细的) self-introduction including age,【65】, weight, habits and future plans. It was an advertisement for a dating(约会) service! I was hurt【66】felt rather angry.
When I told a veteran (有经验的) Internet surfer (网民)【67】my experience, he said it was not【68】! was【69】. The Web provides such a nice, large place to make friends, why do some people【70】it?
The relationship between one another should be mutual(互助的) politeness and【71】. Online we【72】see one another's physical form, but we are talking through our【73】. Such【74】as the one I met are not polite at all.
Since the Web belongs to everyone, every user has a duty to keep a friendly and polite atmosphere (氛围]). We need【75】honesty and respect on-line.
(36)
A.exciting
B.disappointing
C.surprising
D.frightening
A.12×4=48 40÷8=5(块) 15×5=75(块)
B.12×4=48(平方米) 8×8=64(平方米) 64÷48=1(块)余16(块)
I【69】about it with my friends Frank and Lesley.【70】of them【71】suggest anything, but they promised that they would ask their friends. A few days later【72】I was still in bed,【73】telephoned. "Is that Miss Jenkins?" a man's voice asked. "I【74】your hobby is photography and I've got a job that might interest you in my clothes factory. My name is Mr. Thomson. "He seemed pleasant on the phone【75】I went to see him. I was so excited that I almost forgot【76】goodbye. "Good luck!" my mother said to me.
I arrived【77】early and when Mr. Thomson came he asked me if I【78】waiting a long time. "No, not long." I replied. After talking to me for about twenty minutes he【79】me a job-- not as a photographer though,【80】a model!
(36)
A.early
B.presently
C.soon
D.quickly