问题
单项选择题
个体采样是利用佩带在工人身上的个体采样器，在＿内连续不断地采集空气样品，然后进行检验分析。
A.一个工作班内
B.一个工作日内
C.八小时内
D．六小时内
答案
参考答案：A
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个体采样是利用佩带在工人身上的个体采样器，在＿内连续不断地采集空气样品，然后进行检验分析。
A.一个工作班内
B.一个工作日内
C.八小时内
D．六小时内
参考答案：A
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| India has sent 1 first spaceship to the moon. Scientists sent the spaceship on October 22nd, 2008 in a place 2 Sriharikota in India. It 3 to the moon on the morning of Wednesday. People all over India watched this important moment 4 TV. They celebrated their success happily. A head of scientists said 5 ," India has started the first step to the moon and this is a very good start for us." The spaceship will 6 around the moon and it will look for water on the moon. This is 7 important for India but also important for the whole world. And India became the 8 country including (包括) China and Japan in Asia. Japan has sent unmanned (无人的) spaceship to the moon. And our great Chinese astronaut 9 out of the spaceship and started our first space walk 10 27th September 2008. | ||||
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