量具是具有固定形态、能复现()的一个或多个已知量值的计量器具。
A、已知量
B、量值
C、给定量
D、未知量
参考答案:C
甲、乙两地纬度相同,相距 500 千米。两地气温、降水资料如下表所示。完成10-11题。
小题1:两地的纬度约在
A.15°S-20°S 之间
B.15°N-20°N 之间
C.25°S-30°S 之间
D.25°N-30°N 之间小题2:两地之间的地形可能是
A.平原
B.盆地
C.丘陵
D.山地
1.It is a good habit to brush your (tooth) after each meal.
2. Many school things were (send) to Yushu last month.
3. Betty is often seen (help) the old man with his housework.
4. He prefers (take) part in the public activities rather than stay at home alone.
5. They (agree) with each other, so they argued for a long time.
6. Animals are our friends, so (protect) them is our duty.
7. You have (award)a scholarshrp to study violin at our School of Music.
8. It takes (little) time to go there by underground than by bus.
9. Many (butterfly) have round marks on their wings that look like eyes.
10. Last night it rained (heavy)in the southern part of the city.
11. There are many (different) between the two languages.