可插入MSG9000电路交换框的单板有().
A.IPI
B.DTB
C.CLKG
D.TSNB
E.TFI
参考答案:C, D, E
不属于几丁质合成抑制剂的是()
A、灭幼脲
B、抑食肼
C、抑太保
D、除虫脲
Which of the following is tree about China a. The oil demand growth in the second quarter is 12.3%. b. Restrictions on trucking and economic growth will help reduce the oil demand. c. Extra refining capacity is also under tight control. d. The oil demand in the third quarter will fall by 9%.