直辖市根据需要可以统筹使用失业保险基金的______。
A.10%B.100%或部分C.50%D.部分
参考答案:B
As these beautiful places attract lots of tourists, their protection comes under ______.[ ]
A. threat
B. control
C. repair
D. construction
正常运行中高、中压轴封蒸汽的流程?