孕妇，28岁，G2P0，36周妊娠，重度子痫前期。摔倒3h后自觉下腹不适，有少量 * *

用max{a，b}表示a，b两数中的较大数，若函数f（x）= max{|x|，|x-a|}的最小值为2，则a的值为[ ]

A.4

B.±4

C.2

D.±2

改错题。

1. Is the key ring belong to Mike?                         2. Here isn't bread in the bowl.                           3. What's in the plate now?                               4. Where other places will you visit next week?             5. There's else something to do in the hall.               6. They can wait at 10 p.m.                                 7. How much does it take to go from Guangdong to Shandong? 8. The museum is about forty metres far away from here.     9. Is the shop close at this time of the day.               10. I think two kilos of each are enough.                   _______ _______ _______ _______ _______ _______ _______ _______ _______ _______

下表为某电热水壶铭牌上的一部分内容．若电热水壶正常工作时，根据表中的信息，求：

型    号	SP-988	额定功率	1500W
额定电压	220V	额定容量	1.6L

（1）通过电热水壶的电流；

（2）电热水壶工作120s产生的热量．

Bananas, apples and oranges are all ____________.

A. fruits                 B. vegetables             C. drinks

常用的整体热处理有（）（）（）（）等。