不属病毒治虫优点的是()
A、有效期长
B、稳定性强
C、专性高
D、残留量大
参考答案:D
It is expected that in the near future, more advances in the Internet technology________by German scientists.
A.are making
B.are made
C.will make
D.will be made
根据《国家环境保护“十二五”规划》,单机容量()以上(含)燃煤机组应全部加装脱硝设施。
A.15万kW
B.20万kW
C.25万kW
D.30万kW