问题 选择题

在下列测量盐水密度的实验步骤中不必要且不合理的操作步骤是 [ ]

A.用天平测出空烧杯的质量  

B.往烧杯内倒入适量的盐水,用天平测出烧杯和盐水的总质量  

C.用量筒测出烧杯中盐水的体积  

D.用天平测出倒掉盐水后的烧杯质量

答案

答案:A

阅读理解

Beijing-- During the 24-hour period ending at 4 pm on Sunday, China confirmed(确诊)six new cases of human H7N9 bird flu(禽流感) , including five in Zhejiang and one in Jiangsu.

The National Health and Family Planning Commission(国家卫生和计划生育委员会) said that a total of 102 H7N9 cases have been reported in China, including 20 that have died.

Of the total, 12 H7N9 patients have been discharged from hospitals after receiving treatment, and the other 70 patients are being treated in designated(指定的) hospitals, according to the commission.

A total of 33 cases, including 11 that have died, have been reported in Shanghai. Twenty-four cases, including three deaths, have been reported in Jiangsu province, and 38 cases, including five deaths, in Zhejiang province. Anhui province has reported three cases, including one death. Beijing has reported one case and three have been reported in Henan province.

China officially confirmed the human cases infected (感染)with the H7N9 virus since last month.

According to the commission, China’s confirmed H7N9 cases are isolated (隔离)and there has been no sign of human to-human transmission(传染).

小题1:According to the passage, how many new cases have been found in China?

A.4

B.6

C.5

D.1小题2:The underlined word “discharged”in Paragraph 3 probably means _____.

A.治疗

B.死亡

C.出院

D.住院小题3:In _____ , the most deaths have been found.

A.Shanghai

B.Beijing

C.Zhejiang

D.Anhui小题4:According to the passage, which of the statements is NOT true?

A.Twenty people have died of H7N9.

B.Since last month, the human cases infected the H7N9 virus have been reported.

C.Not all the hospitals can take in the H7N9 patients.

D.One person can be infected by staying with the H7N9 patients.小题5:We can probably read this passage in a(an) _____.

A.story book

B.newspaper

C.advertisement

D.magazine

单项选择题