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【单选题】
以下哪种氨基酸是必需氨基酸( )A.
氨酸
B.
氨酸
C.
氨酸
D.
氨酸
E.
以上都不是
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反馈参考答案：
举一反三
【单选题】Jim came to China last term, ______? [ ]
A.
doesn't he
B.
isn't he
C.
wasn't he
D.
didn't he
【单选题】若有定义#define MOD(x,y) x%y,则执行下面语句后的输出为 。 int z,a=15; float b=100; z=MOD(b,a); printf(“%d\n”,z++);
A.
11
B.
10
C.
6
D.
有语法错误
【简答题】--He's just back from work, ? -- . He is having a rest in the room. A. is he; No, he isn't B. has he; No, he hasn't C. hasn't he; Yes, he has D. isn't he; Yes, he isA....
【简答题】He's already back, ___________? [ ] A. doesn't he B. hasn't he C. isn't he D. has he
【单选题】(24)若有定义:int a=11;float x=2.5,y=4.7;,则表达式x+a%3*(int)(x+y)%2/4的值是( )。
A.
2.5
B.
2.75
C.
3.5
D.
0
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