【名词&注释】
一氧化碳(carbon monoxide)、错别字(wrongly written characters)、酒精灯(spirit lamp)、吹毛求疵(cavil)、稀释浓硫酸、要注意(should be noticed)
[单选题]下列词语中，没有错别字的一项是(2分) ( )
A. 嶙峋怒不可揭 秀手旁观
B. 嘻戏众目睽睽暗然失色
C. 蹒跚吹毛求疵奄奄一息
D. 璀璨盛气临人德高忘重
查看答案&解析
举一反三：
[单选题]实验过程中要注意(should be noticed)安全，下列实验操作中安全的是
A. 将鼻孔凑到容器口去闻药品的气味
B. 稀释浓硫酸时，将浓硫酸慢慢注入盛水的量筒内
C. 点燃一氧化碳前先检验其纯度
D. 为了节约火柴，可用燃着的酒精灯点燃另一盏酒精灯
[单选题]15． From the passage，we can learn _________ ．
A. one shouldn’t criticize others very often
B. one should often make his windows clean
C. one must judge himself before he judges others
D. one must look at others through his dirty window
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