问题 多项选择题

泵送混凝土施工应符合下列()安全规定。

A.首次泵送前应进行管道耐拉试验

B.混凝土输送泵接头和卡箍应密封、紧固

C.泵送混凝土时,操作人员应随时监视各种仪表和指示灯,发现异常应立即停机检查

D.混凝土输送管道接头拆卸前,应释放输送管内剩余压力

E.清理管道时应设警戒区,管道出口端前方20m内不得站人

答案

参考答案:B, C, D

阅读理解

Birthday:February 26, 1982

Birthplace:Wuhan, Hubei

Height:172cm

Weight:65kg

“My dream has come true. I have always wanted to be a Grand Slam(大满贯) champion. ” These are the words of Chinese tennis player Li Na after she became the first Asian woman to win a Grand Slam final in the French Open on June4, 2011.

“People were saying I’m getting old. So this is a great success for such an old woman,” the 29-year-old girl joked.

Miss Li has a tattoo(纹身). She has dyed her hair many different colors. And, at the 2008 Beijing Olympics, she told her fans to “shut up” when they got too noisy in their support.

Li Na was born in Wuhan, she started to play tennis at the age of 6. She once recalled:“As a child, I felt sad because every day I had to wake up early to practice. After school I had to practice more. I didn’t have time to play. ”

Luckily, the strong girl didn’t give up, thus making history for Chinese tennis time after time.

Now the new champion is already thinking about winning another Grand Slam title. “when you have one title, surely you will think about another,” she says, not hiding her ambition(雄心)。

“Chinese people are so lacking(缺乏) in confidence on the tennis court. If there is a person like me who can prove we Chinese can do it, the other young players in China will feel the same,” she said.

小题1:Li Na was born in the year of           .

A.1982

B.1984

C.1986

D.1990小题2:The underlined word “dyed” here means “         ” in Chinese.

A.油

B.洗烫

C.染色

D.梳理小题3:When she began to play tennis, Li Na was _________.

A.happy

B.sad

C.excited

D.bored小题4:Which of the following is WRONG about Li Na?

A.Li Na took part in the 2008 Beijing Olympics.

B.Li Na has already won a Grand Slam champion.

C.Li Na had to wake up early to practice playing tennis.

D.Li Na said she lacked confidence on the tennis court.小题5:The passage mainly tell us             .

A something about the tennis           B. something about how to play tennis

C the Chinese people and the tennis      D. the Grand Slam champion—Li Na

名词解释