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【单选题】
下列哪种激素是促进机体产热最重要的激素?A.
甲状腺素激素
B.
肾上腺素
C.
去甲肾上腺素
D.
孕激素
E.
雌激素
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【单选题】One of the consequences of our planet’s being warming up is a(n)________in the number of natural disasters. [ ]
A.
account
B.
reason
C.
increase
D.
occurrence
【单选题】One of the ________ of our planet’s warming up is an increase in the number of natural disasters.
A.
consequences
B.
reasons
C.
causes
D.
Processes
【单选题】A million motorists leave their cars filled up with petrol and with the keys in the ignition every day. The vehicles are sitting in petrol stations while drivers pay for their fuel. The Automobile Ass...
A.
The use of credit cards may increase the risk of car theft.
B.
It is advised that the drivers take car keys with them.
C.
Most cars are stolen by professional thieves.
D.
The AA advises that motorists leave their cars locked.
【单选题】After the warmingup exercises, the teacher told us ________way of long jump and gave us________example.
A.
the；a
B.
/；an
C.
the；an
D.
a；a
【简答题】They returned my keys to me. Someone (pick) ______ them up in the street.
【简答题】阅读理解。 Microwaves may be great at warming up food, but what about warming people? Using microwaves to directly heat owners of a room would save much of the energy wasted by heating walls and furniture....
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