和WCDMA相比，覆盖上TD-SCDMA各种业务的覆盖半径是（）
A.近似相同
B.不同
C.3完全相同
参考答案：A
It was dark when Mary went out. I wonder how she ______ through the black lane by herself.
A．dared not to go
B．dare going
C．not dare go
D．dared to go
高压厂用变压器上层油温达到55℃时，冷却器将自动投入运行
