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【单选题】
实验室安全守则中规定,严禁任何 入口或接触伤口,不能用 代替餐具。( )A.
食品、烧杯
B.
药品、玻璃仪器
C.
药品、烧杯
D.
食品、玻璃仪器
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举一反三
【单选题】浓度为 0.10 mol/L 某一元弱酸的解离度为 0.20% , 同温度下浓度为 0.40 mol/L 该一元弱酸的解离度为( )。
A.
0.80%
B.
0.40%
C.
0.20%
D.
0.10%
【简答题】A．Stay and negotiate or move. B．Move closer to the University or near the subway. C．Fight for a small increases or accepts an increase offer. D．There is no choice.
【单选题】The best title for the passage is ______.
A.
Vitamin E Scores for Old People
B.
Vitamin E Fights Cancer
C.
You Need Vitamin E
D.
How to Keep Healthy
【单选题】Traffic with criminals is dangerous.
A.
dealing with criminals
B.
tracking the criminals
C.
fighting the criminals
D.
transporting criminals
【简答题】完形填空。 True forgiveness is one of the most remarkable qualities a human can possess! In the fighting between two countries in the 1970s, a young man was walking from one village to the next when he was...
【简答题】某一元弱酸HA在浓度为0.015 mol·L -1 时解离度为0.80%，计算当该弱酸浓度为0.10mol·L -1 时的解离度。
【多选题】马克思主义理论同中国实际相结合产生的两大理论成果,两大理论成果之间既有不同点,也有共同点。共同点在于它们( )
A.
都是中国共产党集体智慧的结晶
B.
都是对中国革命、建设、改革经验的科学总结
C.
都有马克思列宁主义在中国的运用和发展
D.
都包含了中华民族的优秀思想
【单选题】Sometimes, kids have extra challenges making friends, even if you're doing everything fight as a parent. All children are capable of having friends, although high self-esteem really helps them succeed...
A.
Cards.
B.
Children.
C.
Children's feelings.
D.
Children's friends.
【单选题】Mr. Black would rather __________than _________on Christmas eve because of the crazy spray snow fight everywhere.
A.
stay at home, to go out
B.
stay at home, go out
C.
to stay at home, go out
D.
to stay at home, to go out
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