要清楚地表示数量的多少，我们选用（ ）统计图。
条形
If Joe's wife doesn't go to the party,_________ . [ ]
A. he will either
B. neither will he
C. he either
D. either he will
液压支架安全阀关闭压力不大于（）倍额定工作压力。
A、0.7
B、0.75
C、0.8
D、0.85
