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【判断题】
KMnO4滴定草酸时,加入第一滴KMnO4时,颜色消失很慢,这是由于溶液中还没有生成能使反应加速进行的Mn2+。A.
正确
B.
错误
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【简答题】A．he has many pets. B．he has three children. C．he doesn't need a larger house. D．his wife is pregnant.
【单选题】在售后跟踪环节，销售顾问应按客户能接受的方式与客户保持长期联系。在作电话回访的时候，一开始不要直接谈车，聊点其他的内容。据此，下列各项错误的是（ ）。
A.
XX 先生（小姐），您好！好久没联系了，打个电话问候一下。
B.
好久没听到您的声音了，最近生意很好吧？
C.
XX 先生/ 小姐，您好，好久没见你了！我们这周末店里有个活动特邀请你来参加，特别为您准备了小礼物，咱们见个面。
D.
XX 先生，最近有没有朋友要买车的啊？给介绍一下吧。
【单选题】—How many _____ does he have? —He has three. [ ]
A.
watch
B.
bed
C.
ice cream
D.
watches
【单选题】He has three children, are doctors.
A.
and two of whom
B.
two of them
C.
two of whom
D.
two of which
【简答题】Jack is a businessman. He has three friends. They are Mary, Ann and David. Jack has a car. He drives to work. Mary works in a hotel. She goes to work on her bicycle. Where does Ann work? She works in ...
【简答题】A．He has many pets. B．He has three children. C．He doesn't need a larger house. D．His wife is pregnant.
【单选题】与常规锚杆相比自钻式锚杆所具有的优点的是( )
A.
适用于各类土层 , 尤其在常规工艺不易施工的粉性土、 砂性土中使用效果更好
B.
在钻杆钻进的同时供给水灰比为 0.4~0.5 的纯水泥浆 , 使之迅速被孔壁土层吸收固化 , 确保孔壁更加稳定
C.
自钻式锚杆将钻孔、注浆、锚固在一次钻进中完成 , 简化工艺流程 , 加快施工速度
D.
其余说法均正确
【简答题】A．He doesn't have a wife. B．He has three kids to take care of. C．He has to do job at home. D．He is often on business trip.
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