在高速公路上遇分流交通管制时,可不驶出高速公路,就地靠边停靠等待管制结束后继续前行。
参考答案:错
Their products enjoy 30 percent ________ of the market in this country because both the quality and their service are fine.
A.features
B.shares
C.interests
D.sales
采用蒸汽喷射器的热水供暖系统,取代了()
A、表面式汽水换热器
B、循环水泵
C、节流装置
D、A+B