The news()heard everywhere.
A. had
B. have been
C. was
D. are going to be
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When pessimists()in their first attempt, they usually say, "I can't do this."
A. feel
B. fail
C. defeat
D. lost
一般空气喷涂压力为( )MPa。
A. 0.3~0.5
B. 0.4~0.7
C. 0.5~1.0
D. 1.0~1.5
下列选项不属于影响设备购买的主要因素的一项是()。
A. 设备的经济寿命
B. 项目的寿命期
C. 技术过时风险的大小
D. 设备的价格
Managers need to monitor inflation trends so they can make good().
A. decisive
B. decisions
C. decide
D. decided