问题
单项选择题
下列计量单位中，属于国际单位制的是（）。
A、kg/m3
B、r/min
C、kg/h
D、kg/L
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
下列计量单位中，属于国际单位制的是（）。
A、kg/m3
B、r/min
C、kg/h
D、kg/L
参考答案：A
| 完形填空。 | |||
| Do you have a healthy lifestyle? I think I___1___. First, I have many good eating habits. I like junk food, ___2___ I hardly eat it. I eat fruit and vegetables every day. ___3___ they are not very delicious, but they are ___4___ for our health. Second, I do ___5___ every day. It is said that if people run every day, they will have more healthy hearts (心脏) than (比) others. So I run for___6___ thirty minutes every morning. ___7___, I have good living habits. I try to___8___ at least 8 hours every day. That ___9___ me to be energetic (精力充沛的) the next day. And I can study better and get good grades. What do you ___10___ my lifestyle? Can you learn something from it? | |||
| ( )1. A. do ( )2. A. and ( )3. A. Maybe ( )4. A. bad ( )5. A. cleaning ( )6. A. at ( )7. A. First ( )8. A. sleep ( )9. A. stops ( )10. A. look at | B. am B. but B. Although B. late B. homework B. about B. Second B. practice B. makes B. think of | C. like C. so C. Because C. hard C. exercise C. on C. Third C. spend C. helps C. talk about | D. make D. or D. If D. good D. reading D. in D. Fourth D. drink D. asks D. agree with |