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【简答题】
As a shop assistant, how would you greet your customers politely?
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举一反三
【单选题】下列关于溶液型气雾剂的叙述错误的是
A.
常选择乙醇、丙二醇作潜溶剂
B.
抛射剂汽化产生的压力使药液形成气雾
C.
药物可溶于抛射剂(或加入潜溶剂)时,常配制成溶液型气雾剂
D.
常用的抛射剂为二氧化碳气体
【单选题】I could have turned to Mr. Smith for help, but he ______ too busy then.
A.
is
B.
was
C.
should be
D.
has been
【简答题】Questions 3 and 4 are based on the news report you have just heard. 3. A) He is a queen bee specialist. B) He works at a national park. C) He removed the bees from the boot. D) He drove the bees away ...
【单选题】When and why he came here ________ yet.
A.
is not known
B.
are not known
C.
has not known
D.
have not bee
【简答题】He didn’t go to the party, but he does wish he ________ there. A) would be B) has been C) would have been D) had been
【单选题】If it ______ Professor Russel standing up for him, he would have had to leave.
A.
hasn’t been for
B.
hadn’t been for
C.
was for
D.
were for
【多选题】资料:某工业企业大量生产甲、乙两种产品。该企业采用品种法计算产品成本,适用的增值税税率为17%。2014年5月份,该企业发生的有关经济业务如下: (1)5月份开始上传甲、乙产品,当月投产甲产品270件,耗用材料4800千克;投产乙产品216件,耗用材料4000千克。材料每千克成本为40元,原材料按生产进度陆续投入。 (2)5月份发生生产工人薪资100000元,总部管理人员薪酬30000元、制造费用...
A.
生产产品领用材料时,借记“制造费用”账户,贷记“原材料”账户
B.
生产产品领用材料时,借记“生产成本”账户,贷记“原材料”账户
C.
甲产品的材料费用为192000元
D.
乙产品的材料费用为160000元
【简答题】某海域一艘轮船发生故障,船上雷达搜索附近显示: 军舰:东偏北40度方向300千米处. 货船:西偏北30度方向300千米处. 商船:南偏东o0度方向o50千米处. (1)请根据雷达搜索显示,在平面图上画出他们t位置. (o)如果商船以每小时50千米t速度赶往出事点,需要几小时?军舰想与商船同时赶到,每小时至少行驶得少千米?
【单选题】在下列平衡表达式K 1 、K 2 、K 3 的关系是( ) 。 N 2 (g)+3H 2 (g)≒2NH 3 (g) K 1 N 2 (g)+ H 2 (g)≒NH 3 (g) K 2 N 2 (g)+H 2 (g)≒ NH 3 (g) K 3
A.
K 1 = K 2 = K 3
B.
K 1 =2 K 2 =3 K 3
C.
K 1 = K 2 = K 3
D.
K 1 = =
【简答题】试画出直接起动电路,该车起动机有如下故障现象:将点火开关旋至起动档,起动齿轮发出“咔哒”声向外移出,但是起动机不转动或转动缓慢无力。请结合电路图,分析故障诊断过程。
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