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【单选题】
在哪种场合下不禁止使用手机?
A.
驾驶汽车的时候
B.
飞机飞行期间
C.
课间休息期间
D.
加油站、面粉厂、油库等易燃场合
手机使用
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分享QQ
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参考答案:
举一反三
【判断题】使用风动工具除锈时,要注意风管接头是否牢靠,除锈器不能有松裂现象,风压应在 4个标准大气压以上。
A.
正确
B.
错误
【简答题】American magician David Blaine left the glass box in which he had lived for 44 days without food on October 19. 2003. Hundreds of people came to watch the end of his starvation experiment, which has b...
【简答题】American magician David Blaine left the glass box in which he had lived for 44 days without food on October 19, 2003. Hundreds of people came to watch the end of his starvation experiment, which has b...
【判断题】锂电池在使用要注意尽量减少电池的充放电次数。
A.
正确
B.
错误
【单选题】外周免疫器官包括淋巴结、哈德氏腺和( )。
A.
肝脏
B.
骨髓
C.
胸腺
D.
脾脏
【单选题】Why did Blaine change his eating habits?
A.
to lose weight
B.
to gain muscle mass
C.
to train his mind
【判断题】鸟类特有的外周免疫器官包括MALT、哈德氏腺和淋巴结。
A.
正确
B.
错误
【判断题】锂电池在使用要注意尽量减少电池的充放电次数。
A.
正确
B.
错误
【简答题】阅读理解。 American magician David Blaine left the glass box in which he had lived for 44 days without food on October 19, 2003. Hundreds of people came to watch the end of his starvation experiment, which...
【单选题】霍乱弧菌的主要致病物质是
A.
内毒素
B.
霍乱肠毒素
C.
普通菌毛
D.
Vi抗原
E.
鞭毛
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