无性繁殖

题型:名词解释

问题:

无性繁殖

考点:植物生物学植物生物学题库
题型:名词解释

下列各句中加点成语使用恰当的一项是( )

A.近来,从中国足协高层被依法刑事拘留,再到足协改组、涉案球队被处罚等,如此紧锣密鼓的行动确实让人们看到了中国足球的希望。

B.春晚舞台上,铿锵的鼓点扣人心弦,优美的唱腔感人肺腑,精彩的表演令人陶醉,全场观众掌声、喝彩声此起彼伏。

C.最令我敬佩的是巴金老人的人品,他虽然年事已高,却胸无城府,朴实无华,心灵如蓝天一般透明,在今天这个时代实在难能可贵。

D.现在的市场上,电子词典种类五花八门,产品质量也是良莠不齐,能够选购到真正让广大消费者满意的产品并不容易,需要甄别。

题型:名词解释

     LONDON Thursday July 26 (Reuters)-Eddy missed his girlfriend Anna so much that he flew back to

Britain from Australia to propose(求婚)to her. The problem is that she did the same in the opposite

direction.

     He and Anna even managed to miss each other when they sat in the same airport waiting room in

Singapore at the same time to wait for connecting flights.

     Anna, heartbroken when she arrived at Eddy's Sydney flat to find he had flown to London , told The

Times: "It was as though someone was playing a cruel joke on us."

     "He is the most romantic person I have ever known .I think our problem is that we are both quite

impulsive(冲动的)people. We are always trying to surprise each other."

     After an 11,000-mile flight across the globe, she was greeted by Eddy's astonished roommate asking

what she was doing there.

      Eddy, a 27-year-old engineer ,had taken a year off to travel round Australia .But he was missing

Anna ,a 26-year-old secretary, so much that he got a job on a Sydney building site (工地) and started

saving for a surprise.

     He then flew home to Britain and went to her flat armed with an engagement (订婚) ring, wine and

flowers.

     "I really missed Anna and I'd been thinking about her all the time. I was so excited when she phoned

me from Australia," he said.

     Eddy then asked Anna to marry him on the phone. "I didn't know whether to laugh or cry but I

accepted," she said.

     Anna was given a tour of Sydney by Eddy's friends before going back home .Eddy had to stay in

Britain for two weeks because he could not change his ticket.

1. What does the last sentence of the first paragraph tell us?

A. Anna flew to Britain from Australia to marry him.

B. Anna flew to Australia from Britain to marry him.

C. Anna flew to Britain from Australia to propose to him.

D. Anna flew to Australia from Britain to propose to him.

2. The underlined word "miss" in paragraph 2 most probably means      .

A. escape from    

B. fail to understand    

C. fail to meet    

D. long to see

3. Eddy got a job on a Sydney building site because he       .

A. wanted to travel round Australia      

B. needed money to pay his daily cost

C. was an engineer at this building site    

D. hoped to make money from this job

4. Which of the following is TRUE about Eddy and Anna according to the text?

A. Eddy proposed to Anna on the phone and Anna accepted.

B. Anna stayed in Australia waiting for Eddy's arrival.

C. Anna had a good time touring Sydney with Eddy.

D. Eddy met Anna in the airport waiting room by chance.

题型:名词解释

写出炉水循环泵的主叶轮的拆装工序?

题型:名词解释

铀-235核吸收1个中子,发生裂变后会释放出()中子。

A、1个

B、2-3个

C、许多个

题型:名词解释

喷补料中水分在18-30%范围的有()。

A、湿法喷补料

B、干法喷补料

C、半干法喷补料

D、火法喷补料

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