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【单选题】
If you keep your house green, you avoid the()of many dangerous dilease.A.
risk
B.
task
C.
chance
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反馈参考答案：
举一反三
【单选题】What is the function of genetic testing according to this passage?
A.
It helps people know what health problems their parents ever experienced.
B.
It enables people to change those erous genes to better ones.
C.
It reveals possible genetic diseases people may have.
D.
It calls on the public to help people who have bad genes.
【单选题】Identity is determined by genetic () (what is inherited from parents), shaped by environment, and influenced by chance s.
A.
endowment
B.
luxury
C.
recollection
D.
expound
【单选题】A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
A.
变压器是一种电气设备，通过电磁感应在两个或多个电路之间传输电能。
B.
变压器是一种电气设备，通过电路能够产生两个或多个电磁感应现象。
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