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【简答题】
掌握化学实验中常用仪器的特征和用途，有利于开展化学学习和研究． （1）请从下列常见仪器图示中，把下列实验所用的仪器的标号和名称填在横线上． ①可以直接在酒精灯火焰上加热的玻璃仪器是____ ____； ②吸取和滴加少量液体试剂的仪器是____ ____； ③用酒精灯加热时需要垫上石棉网的仪器是____ ____； ④取用粉末状固体药品用到的仪器是____ ____； ⑤镁条燃烧时，用来夹持镁条的仪器是____ ____； ⑥量取液体时，需要用____ ____和____； ⑦用排水法收集气体时，需要用____ ____和____ ____．
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参考答案：
举一反三
【单选题】The reason 　　being late for the meeting was 　 his little son fell ill this morning.A．for, thatB．why,
A.
The reason ____being late for the meeting was ____ his little son fell ill this morning. A．for, that
B.
why, that
C.
for, because
D.
why, because
查看完整题目与答案
【判断题】动态试验是指列车激活后,对各项列车设备进行的通电运行试验.
A.
正确
B.
错误
查看完整题目与答案
【单选题】The reason　　　　 being late for the meeting was 　　　　 his little son fell in this morning.A．for; thatB．
A.
The reason ____ being late for the meeting was ____ his little son fell in this morning. A．for; that
B.
why; that
C.
for; because
D.
why; because
查看完整题目与答案
【单选题】计算机病毒具有隐蔽性、()、传染性、破坏性，是一种特殊的寄生程序。
A.
潜伏性
B.
免疫性
C.
抵抗性
D.
再生性
查看完整题目与答案
【单选题】With his son _____ , the old man felt unhappy.
A.
to be disappointed
B.
disappointing
C.
being disappointed
D.
to disappoint
查看完整题目与答案
【判断题】计算机病毒具有破坏性、寄生性、传染性、潜伏性等特点。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What worried the woman most was ______ to visit her sick son in hospital.
A.
not allowing
B.
not being allowed
C.
not allowed
D.
having not being allowed
查看完整题目与答案
【单选题】You ought to be stricter _____ your son; it’s no use only being strict _____ his work.
A.
with; with
B.
in; in
C.
in; with
D.
with; in
查看完整题目与答案
【单选题】计算机病毒具有寄生性、传染性、隐蔽性、潜伏性和()
A.
入侵性
B.
可扩散性
C.
恶作剧性
D.
破坏性
查看完整题目与答案
【单选题】The reason _____ being late for the meeting was _____ his little son fell ill this morning. [     ]
A.
for, that
B.
why, that
C.
for, because
D.
why, because
查看完整题目与答案
相关题目：
【单选题】The reason 　　being late for the meeting was 　 his little son fell ill this morning.A．for, thatB．why,
A.
The reason ____being late for the meeting was ____ his little son fell ill this morning. A．for, that
B.
why, that
C.
for, because
D.
why, because
查看完整题目与答案
【判断题】动态试验是指列车激活后,对各项列车设备进行的通电运行试验.
A.
正确
B.
错误
查看完整题目与答案
【单选题】The reason　　　　 being late for the meeting was 　　　　 his little son fell in this morning.A．for; thatB．
A.
The reason ____ being late for the meeting was ____ his little son fell in this morning. A．for; that
B.
why; that
C.
for; because
D.
why; because
查看完整题目与答案
【单选题】计算机病毒具有隐蔽性、()、传染性、破坏性，是一种特殊的寄生程序。
A.
潜伏性
B.
免疫性
C.
抵抗性
D.
再生性
查看完整题目与答案
【单选题】With his son _____ , the old man felt unhappy.
A.
to be disappointed
B.
disappointing
C.
being disappointed
D.
to disappoint
查看完整题目与答案
【判断题】计算机病毒具有破坏性、寄生性、传染性、潜伏性等特点。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What worried the woman most was ______ to visit her sick son in hospital.
A.
not allowing
B.
not being allowed
C.
not allowed
D.
having not being allowed
查看完整题目与答案
【单选题】You ought to be stricter _____ your son; it’s no use only being strict _____ his work.
A.
with; with
B.
in; in
C.
in; with
D.
with; in
查看完整题目与答案
【单选题】计算机病毒具有寄生性、传染性、隐蔽性、潜伏性和()
A.
入侵性
B.
可扩散性
C.
恶作剧性
D.
破坏性
查看完整题目与答案
【单选题】The reason _____ being late for the meeting was _____ his little son fell ill this morning. [     ]
A.
for, that
B.
why, that
C.
for, because
D.
why, because
查看完整题目与答案
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