皮皮学，免费搜题
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【单选题】
为防止仪器内结冰，可在水中加入甘油（C3H8O3）。欲使冰点下降至–2℃，则应在100g水中加入甘油（已知水的Kf=1.86K·kg·mol-1）( )。A.
9.89 g
B.
3.30 g
C.
1.10 g
D.
19.78 g
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【单选题】If there is a fire in a hold, what should you do?（）
A.
Close the hatch, accesses and ventilators at once. Flood CO 2 into hold.
B.
Open the hatch, accesses and ventilators at once. Flood CO 2 into hold.
C.
Close the hatch, accesses and ventilators at once. Flood water into hold.
D.
Open the hatch, accesses and ventilators at once. Flood water into hold.
【单选题】If you _____ your hand as far as you can, you should be able to touch it.
A.
hold out
B.
push out
C.
reach out
D.
pull out
【单选题】If the coxswain of your lifeboat gives the command HOLD WATER, you should ______.
A.
complete the stroke, raise your oar slightly, swinging the oar slightly forward, and place it in the boat
B.
lift the oar in a vertical position
C.
complete the stroke and hold the oar out of the water
D.
dip the blade of your oar into the water vertically and hold it perpendicular to the keel line
【简答题】You should hold a degree, preferable in English, with supervisory experience in the service-related filed, ideally involved in customers correspondence. As a team leader and decision maker, you must p...
【简答题】If you often fail to achieve your goals, you should hold on and throw yourself into ______.
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【单选题】As you hold the insurance policy, we should be ______ if you would take the matter up for us with the insurers.
A.
gradual
B.
gradable
C.
grateful
D.
graceful
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