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【简答题】
In the morning, Mr. Martin comes into his garden. He sees too much snow in the garden. Mr Martin wants to take his car out, so he asks a cleaner to clean the road(路) from his garage(车库) to the gate. He says to the cleaner, “Don’t put any snow on the flowers or on the wall. And don’t put any into the street, or the policeman will come.” Then he goes out. When he comes back, the road is clean. There is no snow on the flowers, on the wall or in the street. But when he opens the garage to get his car out, he sees: it is full of snow, the snow from the road, and his car is under the snow! 小题1:What is the weather like?___________ A.It’s very hot. B.It’s raining. C.It’s cold D.It’s windy. 小题2:Who cleans the snow on the road? ___________ A.Mr Martin. B.A policeman. C.Mrs Martin. D.A cleaner. 小题3:Why can’t the cleaner put any snow into the street? ___________ A.Because there’s too much snow, too. B.Because the policeman will come. C.Because there are flowers in the street. D.Because there’s a car in the street. 小题4:Where is the snow after the cleaner cleans the road? ___________ A.On the flowers. B.In the garage. C.In the street. D.We don’t know. 小题5:What does Mr Martin think of the cleaner? ___________ A.He is smart. B.He does a right thing. C.He does a wrong thing. D.He helps Mr Martin.
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参考答案:
举一反三
【简答题】简述氢火焰离子化检测器的基本结构和工作原理。
【判断题】人际沟通分析学认为儿童状态分为适应性儿童和自由行儿童两种。
A.
正确
B.
错误
【单选题】网络图的( )是指寻求工程总成本最低时的工期安排,或按照要求工期寻求最低成本的计划安排的过程。
A.
工期优化
B.
成本优化
C.
效果优化
D.
资源优化
【简答题】简述氢火焰离子化检测器的工作原理。
【简答题】简述氢火焰离子化检测器的基本工作原理。
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A.
Rf
B.
HPLC
C.
ODS
D.
FID
E.
GC
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【单选题】网络图的( )是指寻求工程总成本最低时候的工期安排,或要求工期寻求最低成本的计划安排的过程。
A.
工期优化
B.
工期成本优化
C.
效果优化
D.
资源优化
【简答题】简述氢火焰离子化检测器(FID)的工作原理。
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