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【单选题】
经脱羧基作用后生成γ氨基丁酸的是A.
酪氨酸
B.
半胱氨酸
C.
天冬氨酸
D.
谷氨酸
E.
谷氨酰胺
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反馈参考答案：
举一反三
【简答题】有一列由三个数组成的数组（1、1、1）、（2、4、8）、（3、9、27）…第八个数组是______，第100个数组的三个数的和是______，读作______．
【简答题】贫困村退出自验“八核八推算”内容包括哪些?
【单选题】At 0845，you are approaching the entrances to Thimble Shoal Channel. What channel must you use?（）
A.
The South Auxiliary Channel since your draft is less than 25 feet (7.6 meters)，and you are not a passenger vessel
B.
The South Auxiliary Channel or Thimble Shoal Channel，but you must remain on the right hand side of the main channel
C.
The North Auxiliary Channel since you are going to turn to a northerly heading near buoy "12"
D.
You are not permitted to use any of the channels，but must remain outside the buoyed channel line
【简答题】I can’t advise you what to do. You must use your own_____. A. opinion B. guesswork C.justice D. judgment
【单选题】阅读下面的程序找出哪一行出错#include "stdio.h"void main(){ double num1,num2,num3; 1 printf("请输入两个数据"); 2 scanf("%lf%lf",num1,num2); 3 num3=num1+num2; 4 printf("两数之和为%lf",num3); }
A.
1
B.
2
C.
3
D.
4
【单选题】阅读下面的程序找出哪一行出错#include "stdio.h"void main(){ char ch; 1 printf("请输入一个字符"); 2 ch=getchar(); 3 printf("刚刚输入的字符为"); 4 printf("%f",ch);}
A.
1
B.
2
C.
3
D.
4
【单选题】If you want to learn English well, you must use it as _______ as possible. [ ]
A.
often
B.
long
C.
hard
D.
soon
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