Old－fashioned phones matter when wireless networks in disasters.
A. turn down B. turn out
C. break down D. break out
The girl found the T-shirt sold online was _______that in the supermarket．
A. as half cheap as B. cheap as half as
C. the half price of D. half the price of
After seven hours’ drive, they reached ______ they thought was the place they had been dreaming of.
A. that B. what
C. where D. which
I do every single bit of housework ______ my husband Bob just does the dishes now and then．
A. since B. while
C. when D. as
The white-flag dolphin， ______ rare Chinese mammal， is in ____ dangerous state of dying out．
A. the； / B. the； the
C. a； a D. a； /
假定你是红星中学高三学生李华。你的美国朋友Jim在给你的邮件中提到他对中国新近出现的一种共享单车“mobike”很感兴趣，并请你做个简要介绍。请你给Jim回信，内容包括:
1. 这种单车的使用方法(如:APP查看车辆、扫码开锁等);
2. 这种单车的优势;
3. 你对这种单车的看法。
注意:1. 词数不少于80;
2. 开头和结尾已给出，不计入总词数。
提示词:智能手机 smartphone，二维码 the QR code
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