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【单选题】
每个蛋白质分子必定具有的结构是什么A.
α- 螺旋
B.
β- 折叠
C.
三级结构
D.
四级结构
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皮皮学刷刷变学霸
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【简答题】下面程序段的运行结果是()。 DO 1 I=1,10,2 1K=K+1 PRINT *,K END (A) 10 (B) 8 (C) 6 (D) 5
【判断题】下列输出语句中正确的是 。A) print*, (a(k,j),k=1,3,j=1,3)B) print*, a(k,j),k=1,3,j=1,3)C) print*, ((a(k,j),k=1,3),j=1,3)D) print*, (a(k,j),k=1,3),j=1,3A. 写法不正确B. 写法不正确C. 正确D. 写法不正确
A.
正确
B.
错误
【单选题】下述循环的循环次数是: k=2; while(k): print( “%d”,k); k-=1; print(“\n”);
A.
无限次
B.
0 次
C.
1 次
D.
2 次
【单选题】下列Visual Basic程序段运行时输出的结果是( ) For k=1 to 3 If k<=1 Then a=3 If k<=2 Then a=2 If k<=3 Then a=1 Print a; Next Print k
A.
1 1 1 4
B.
3 2 1 4
C.
3 3 3 3
D.
1 2 3 4
【单选题】Why does Anna want to improve English?
A.
To get a promotion soon.
B.
To communicate with her customers better.
C.
To make friends with British people.
D.
To make use of her spare time.
【单选题】下列程序段的执行结果为 a=5 For k=1 To 0 a=a * k Next k Print k；a
A.
-1 6
B.
-1 16
C.
1 5
D.
11 21
【单选题】Why does Tina want to travel alone?
A.
Because she doesn't have a boyfriend
B.
Because she wants to be more independent
C.
Because she doesn't like travelling with others
【单选题】Why does John Want to buy bicycle?
A.
To replace his stolen bicycle.
B.
To begin bicycling to work.
C.
To join a bicycle club.
D.
To train for a bicycle race.
【单选题】Why does John want to buy a bicycle?
A.
To replace his stolen bicycle.
B.
To begin bicycling to work.
C.
To join a bicycle club.
D.
To train for a bicycle race.
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