列车信号可用驾驶模式可设XAM,AM-C,(),SM-C,SM-I,RM六种
A.RM
B.SM
C.AM-I
D.AM-M
参考答案:C
根据括号中所给的汉语写出单词,使句子意思完整正确。
小题1: Sorry, sir! Those boots aren’t (可找到的) in your size.
小题1:
小题2:Spacemen have to__________(使固定) sleeping bags to the walls to prevent floating..
小题2:
小题3:All the boys can’t wait to play basketball. They wish to begin (立即) after class.
小题3:
小题4:We can use many _________(交通工具) such as buses, cars and so on to go to or from work.
小题4:
B.用括号中所给单词的适当形式完成下列句子。每空限填一词。
小题5:Little Tom is often very clever, but he makes an (correct)answer this time.
小题5:
小题6:When we got to the top of the mountain, we were tired and breathed __________(heavy).
小题6:
小题7: Minnie is (pretty) than any other mouse I’ve ever seen.
小题7:
小题8:A hot topic that people are now talking about is the (safe) of school bus these days.
小题8:
型号为Y-112M-4的电动机,电源频率为60Hz,知其在额定运行条件下的转差率为5%,则该电动机的额定转速为()r/min.
A.855
B.900
C.1710
D.1800