单项选择题
A．①②③④⑤
B．①②③④⑥
C．①②③④
D．①②③⑤
单项选择题 下列对实验意外事故的处理错误的是
单项选择题 Dearstudents,pleasereadeverysentencecarefully.___youare,____mistakesyou’llmake.A.Themorecarefully,thefewerB.Themorecareful,thelessC.Themorecarefully,thelessD.Themorecareful,thefewer
单项选择题 选出下列加点词意思、用法相同的一项。（2分）A．齐人固善盗乎/吾尝疑乎是 B．吾欲辱之/辍耕之垄上C．乃喟然叹曰/乃重修岳阳楼 D．故撞之/而两狼之并驱如故