使用电机车运输时,为了保持弯道的轨距,弯道上的两轨条需用拉杆连接,拉杆间距在()间选取。
A.1~3m
B.1.5~3m
C.2~3m
D.2.5~3m
参考答案:B
Danny would like a __________, __________ car. [ ]
A. new, big
B. big, new
C. New, big
D. Big, new
Your understanding on the theory is _____ satisfactory. You must read more after class. [ ]
A. far from
B. up to
C. along with
D. free of