军官军衔按照军官的服役性质分为（）
A.行政军官军衔
B.技术军官军衔
C.现役军官军衔
D.预备役军官军衔
参考答案：C, D
.
---Do you like the song Hand in Hand sung by 87 singers from Taiwan?
---Yes, it is very inspiring. It is ________ the people who have experienced disasters as an encouragement.
A．permitted for
B．admitted to
C．intended for
D．written as
按化学成分农药分类为（）。
A、有机磷类
B、氨基甲酸酯类
C、有机氯类
D、有机硫类
