问题
单项选择题 A1型题
我国现行饮用水卫生标准(2006)规定,总大肠菌群应为()
A.<10个/L
B.<3个/L
C.<10个/100ml
D.<3个/100ml
E.不得检出/100ml
答案
参考答案:E
我国现行饮用水卫生标准(2006)规定,总大肠菌群应为()
A.<10个/L
B.<3个/L
C.<10个/100ml
D.<3个/100ml
E.不得检出/100ml
参考答案:E
根据短文内容,选择适当的单词或短语填空,使短文意思完整。每个选项至多使用一次,有两项剩余。 | |
spending all my free time on football," Mr. Smith said," but when I 1_____ it outside or watch it on TV, my wife gets 2_____. I can only sleep on the sofa but not in the bed if I watch a football match at night. Sometimes my wife 3_____. But as soon as I 4_____, the football must be in my dream. I'm running and playing football in my dream. When I 5_____, I often feel tired. What should I do? The doctor says," First, you should try not to 6_____ football. You can think of some happy things. For example, You can imagine that your friends are going to have a party for you, or you're going to visit some 7_____." "No, you are 8_____, doctor," Mr, Smith shouts," I only think of my football. I can't think of any other things." |