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【单选题】
组成蛋白质的氨基酸中有两种氨基酸含有硫,已知某一蛋白质分子中含有一个硫原子。则下列说法中不正确的是( )A.
该蛋白质分子中含有的硫一定存在于氨基酸的R基上
B.
该蛋白质分子完全水解后最多可以得到20种氨基酸
C.
该蛋白质可能由一条、两条或多条肽链组成
D.
该蛋白质分子中有“…—N—C—C—N—C—C—…”的重复结构
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【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
【单选题】运行下面程序时,若从键盘输入数据为 "123" ,则输出结果是 ( ) 。 int main( ) { int num, i, j, k, place; scanf("%d", &num); if (num > 99) place = 3; else if(num > 9) place = 2; else place = 1; i = num / 100; j = (num – i * 10...
A.
123
B.
1,2,3
C.
321
D.
3,2,1
【单选题】运行下面程序时,若从键盘输入数据为"123", 则输出结果是( )。 main( ) { int num,i,j,k,place; scanf("%d",&num); if (num>99) place=3; else if(num>9) place=2; else place=1; i=num/100; j=(num-i*100)/10; k=(num-i*100-j*10); switch (...
A.
123
B.
1,2,3
C.
321
D.
3,2,1
【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
【单选题】Part B Directions: You will hear 3 conversations or talks and you must answer the questions by choosing A, B, C or D. You will hear the recording ONLY ONCE. 听力原文： When a consumer finds that all itern ...
A.
Complain personally to the manager.
B.
Threaten to take the matter to court.
C.
Write a firm letter of complaint to the store of purchase.
D.
Show some written proof of the purchase to the store.
【单选题】运行下面程序时,若从键盘输入数据为"123",则输出结果是 #include void main() { int num,i,j,k,place; scanf("%d",&num); if (num>99) place=3; else if(num>9) place=2; else place=1; i=num/100; j=(num-i*100)/10; k=(num-i*100-j*10); ...
A.
123
B.
1,2,3
C.
321
D.
3,2,1
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