更多"Factories must clean their water be"的相关试题:
[单项选择]If the diver is in deep water, he must come to the surface in order to allow his body to ______ to the change in pressure.
A. modify
B. adopt
C. improve
D. adjust
[单项选择]—Must I clean the room now
—No, you
[单项选择]Someone must have left the tap on, ______the water was running over and flooding the bathroom.
A. for
B. therefore
C. moreover
D. however
[单选题] --Must I clean the cage today? --No, you（）_.
A. must not
B. can not
C. need not
D. may not
[单项选择]On hearing a great noise, Mike looked forward through the window______what happened outside the room.
A. to seeing
B. to see
C. seeing
D. to have seen
[单项选择]By saying "countries around the globe are wet through their hands over the rapid spread of American English," the author implies that _____.
A. even a restaurant worker in Japan may feel the English infection on Japanese
B. the flood of katakana has covered most of countries in the world
C. Coca - Cola is the most popular brand of beverage on the earth and this product occupy all the global market
D. many other countries are influenced greatly by American English
[单选题]题目 104
--Mr.Wang, must I come again to clean the classroom on Sunday? --No,you ( ).I have asked Kate to do it
A. can't
B. musn't
C. needn't
D. shouldn't
[单项选择]He must be（）
A. anyone
B. anybody
C. something
D. somebody
[单选题]_______ is the changing of liquid water to invisible water vapor.
A.Condensation
B.Evaporation
C.Sublimation
D.Melting
[单项选择]You must shine your shoes.
A. lighten
B. clean
C. wash
D. polish
[单选题]Water is present in the atmosphere in three states. Which word below is not used to define the states of water?
A.Ice
B.Solid
C.Liquid
D.Gas
[单选题]_______ is the changing of ice directly to water vapor, or of water vapor to ice.
A.Sublimation
B.Condensation
C.Freezing
D.Melting
[单项选择]I wonder who wiped the windows so clean. Your mum ______ it, for she was out the whole day.
[填空题]
A. climate
B. bicycle
C. music
D. clean
[单项选择]Last Saturday Mrs. Smith didn't clean the rooms because______.
[单项选择]More and more people realize we won't have clean water to drink unless something （ ） soon.
A. was done
B. will be done
C. to be done
D. is done
[单项选择]Officials say water levels along the Brahmaputra River still are at dangerous levels although _______.
[单项选择]The lecturer explained the Water Gate scandal vigorously ______ and every student was attracted by his detailed and vivid presentation.
A. at length
B. lengthily
C. at last
D. at all
[单项选择]—Who told you to clean the windows
—Father. He said they are too dirty.
A. told
B. had told
C. did
