给予奖励决定的形式包括()
A.通令
B.会议传达
C.口头
D.命令
参考答案:A, D
—Hi, Mr. Smith. Which department do you work in?
—I am in the Marketing Department now, but I ________ in the Sales Department before long.
A.worked
B.will work
C.have worked
D.will have worked
由下图所示实验得出的结论中,不正确的是
A、 B、 C、 D、
A.化学反应中有能量变化
B.水是由氢气和氧气组成的
C.红热的铁丝在氧气中能发生燃烧
D.二氧化碳不支持燃烧,密度大于空气