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【判断题】
( )碱基堆积力维持DNA在横向上的稳定性。A.
正确
B.
错误
手机使用
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反馈参考答案：
举一反三
【简答题】贫困村退出自验“八核八推算”内容包括哪些?
【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】You must use heaters very carefully as they can easily ______ objects on fire if you are careless. [ ]
A.
make
B.
set
C.
take
D.
let
【单选题】You ______ use your mobile on the plane, but you ______ listen to music. [ ]
A.
must not; can
B.
cannot ; must
C.
must not; must
D.
can; cannot
【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 use your Telecard to make a local call you must ______.
A.
pay salary
B.
pay extra
C.
use a card phone
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