药品类易制毒化学品包括()
A.麻黄素
B.伪麻黄素
C.去甲麻黄素
D.复方樟脑酊
参考答案:A, B, C
The teacher told the students that they______ to be useful men to the country.
A.wereallexpected
B.wereallexpecting
C.allwereexpected
D.allexpected