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【判断题】
空穴是靠正离子吸引附近自由电子而移动,所以带负电。
A.
正确
B.
错误
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【判断题】( )使用量块时,不要长时间把量块拿在手中。A. × B. √
A.
正确
B.
错误
【单选题】京都排骨酱中糖和醋的比例以( )为宜。
A.
2:1
B.
3:2
C.
2:3
D.
1:3
【判断题】身体成分是指身体中脂肪和非脂肪部分的组成。
A.
正确
B.
错误
【简答题】Do not go beyond ______ unless you are certain that the victim has no pulse.
【单选题】Mexican fans and their contribution to football culture are simple to spot. At certain points of sports events, sections of a stadium crowd will suddenly stand up, wave their arms in the air, roar for...
A.
Football culture owes a lot to the Mexican football fans.
B.
The Mexican football fans owes a lot to football culture.
C.
The Mexican football fans' celebration.
D.
The Mexican football fans' cheering for their team.
【简答题】For only when our arms are sufficient beyond doubt can we be certain beyond doubt that they will never be _________.
【单选题】What happened on Thursday?
A.
Israel announced plans to build up to 750 new homes in a Jewish settlement.
B.
A Palestinian gunman killed eight students at a Jewish seminary.
C.
Israel stepped up security across the country.
D.
Olmert promised to fight militants in the West Bank and Gaza.
【单选题】The Blacks demanded that their living and working conditions ______.
A.
improved
B.
should improve
C.
should be improved
D.
were improved
【判断题】身体成分是指身体中脂肪和非脂肪部分的组成
A.
正确
B.
错误
【简答题】If you firmly believe that a certain goal is beyond reach, ______ (有可能你会证明自己是对的).
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