初一上册全册复习 PART 2
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
沈宛慧（古晋一中） 沈宛慧（古晋一中）
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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
科学家有许多的发明与创造，其科学研究的起点是_____________。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下何者属于科学技术被误用而造成危害的事例？
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
使用本生灯的步骤是___________。
I开煤气 II 旋开气孔 III气孔关闭 IV 点火柴移近管口
III、IV、I、II
I、IV、II、III
I、IV、III、II
III、I、IV、II
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
实验室内有危险的化学药品通常会用不同的警告标识。下列警告标识中，表示有腐蚀性的是
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪项在实验室里的做法是正确的？
把不明药品倒入垃圾桶
把用过的废酸倒回原试剂瓶中
做实验时要把窗户都打开
烧的很热的玻璃仪器立即用冷水清洗
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪些仪器不可以加热？
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列关于试管的使用，操作错误的是
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