危废垃圾场主要潜在污染对象是()。
A.地下水
B.地上建筑物
C.人们的身心健康
D.环境卫生
参考答案:A
根据所给汉语意思完成句子,使句子完整正确。
1. Jack has made great__________(进步)on his physics learning.
2. The lady refused the man's help__________(有礼貌地).
3. Could you_________(拾起)the pen up for me?
4. The sign means "You can't_________ (吸烟)here.”
5. The little girl is afraid of_________(老鼠).
各级工商业联合会应遵照()的规定,加强对机关工作人员的管理和监督。