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【单选题】
光由水进入空气中，当入射角是45°时，折射角大约是( )°。A.
30
B.
45
C.
70
D.
90
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皮皮学刷刷变学霸
举一反三
【单选题】对于商品,消费者总希望“质优价康”,经营者则强调“优质优价”。尽管两者关注点有所不同,但都共同说明商品()
A.
是用于交换的劳动产品
B.
使用价值比价值更重要
C.
是使用价值与价值的统一-体
D.
只有通过交换才有使用价值
【单选题】(Section C passage 1) 1.
A.
Because they plan many activities.
B.
Because they have limited time.
C.
Because they are always running for exercise.
D.
Because they are good at getting things done.
【简答题】将程序中有错误的行修改正确。 #include main( ) { int b[10],i; for(i=0;i<=10;i++) /* 该行有错 */ scanf(“%d”,&b[i]); }
【单选题】(Section C passage 1)1.
A.
5 years old.
B.
6 years old.
C.
7 years old.
D.
8 years old.
【单选题】急性白血病患者化疗缓解期突然出现头痛、恶心、呕吐、颈项强直等症状，该患者可能发生的是
A.
颅内出血
B.
败血症
C.
中枢神经系统白血病
D.
上消化道出血
E.
脑栓塞
【单选题】Section C Passage 1 Question 16
A.
The commercials both on TV shows and on billboards are fun.
B.
They both have a beginning, a middle, and an end with commercials .
C.
The drivers are always reckless on TV shows just as they are on the bus .
D.
Both traveling and watching TV are not exciting .
【单选题】(Section C passage 1) 2.
A.
Very hostile.
B.
Very fast.
C.
Very confused.
D.
Very organized.
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