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【单选题】
—____ jacket is this? — I think it’s Mingming’s.A.
Who
B.
Who’s
C.
Whose
D.
What
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举一反三
【单选题】These goods emit flammable gases in contact with water.keep them dry
A.
Please keep the flammable goods away from water
B.
Please keep these goods away from the engine room
C.
Please keep these goods away from water
D.
Please keep these goods in liquid form
【单选题】These goods emit flammable gases in contact with water
A.
These goods shall be kept clean
B.
These goods shall be kept dry
C.
These goods shall be kept away from heat
D.
These goods shall be kept away from dust
【单选题】These goods emit flammable gases in contact water. Keep them dry.
A.
Please keep the flammable goods away from water
B.
Please keep these goods away from water.
【单选题】According to the information provided, which of the following descriptions of Europa would be accepted by both scientists?
A.
Europa has a larger diameter than does Jupiter.
C.
Europa has a surface made of rocky material. C.Europa has a surface temperature of 20°C.
D.
Europa is completely covered by a layer of ice.
【简答题】Emit
【单选题】Which of the following is true according to this passage?
A.
Not until about 1960 did the word bionics come into being.
B.
Bionics is the study of the systems in animals.
C.
Bionics is the only study of the eyes and ears of some creatures.
D.
People didn't know much about the science of bionics until 1960.
【简答题】The moon does not emit heat. ______ (它也不发光).
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