()等必须入库保管。
A、现金
B、金银
C、外币
D、有价证券
参考答案:A, B, C, D
基本控制导线边长在分段丈量时,最小尺段不得小于()米。
A.10
B.15
C.20
D.30
—What a hard life my parents live!
—So do my parents. When I grow up, I ______ to make them live very happily.[ ]
A. try
B. tries
C. will try
D. tried