（）的目的是达到无害化，即只要求将致病微生物的数量减少到无害的程度，而不要求把所有致 发布时间：2020-02-24 18:25 │ 来源：www.tikuol.com 题型：单项选择题 问题： （）的目的是达到无害化，即只要求将致病微生物的数量减少到无害的程度，而不要求把所有致病微生物全部彻底地清除和杀灭。A、消毒B、灭菌C、清洁D、沸水烧煮
题型：单项选择题 完形填空。 On Sunday morning, Bob usually 1 up very late. He washes his face and then 2 out to do morning exercise. It is about 8:20 am. After he 3 his breakfast, he often goes to a shopping center(购物中心) 4 his mother. The shopping center is near his home, so they walk there. It takes 5 about 10 minutes to get there 6 . The center isnew and big. There are many things there, such as TVs, fridges, bikes, computers, food and drinks. There are many people there. They are men and women, old and 7 . Parents must look 8 their children because the shopping center is so big. Young children may get lost(迷失)in it. The things in this shopping center 9 usually good and cheap. The workers there are always nice and 10 . So a lot of people like to buy things there.( )1. A. gets ( )2. A. walk ( )3. A. has ( )4. A. and ( )5. A. they ( )6. A. by foot ( )7. A. tall ( )8. A. after ( )9. A. is ( )10.A. kindly B. to get B. run B. having B. with B. them B. on foot B. short B. at B. are B. help C. getting C. goes C. eat C. to C. their C. in foot C. fat C. for C. to be C. friend D. get D. going D. eating D. or D. theirs D. on walk D. young D. to D. be D. friendly 查看答案
his breakfast, he often goes to a shopping center(购物中心) 4 his mother. The 
Parents must look 8 their children because the shopping