3.8×2.6的积是______位小数,积保留整数是______.

题型:填空题

问题:

3.8×2.6的积是______位小数,积保留整数是______.

考点:小数乘法
题型:填空题

将一测力传感器连接到计算机上就可以测量快速变化的力,如图所示,(甲)图中O点为单摆的悬点,现将小球(可视为质点)拉到A点,此时细线处于张紧状态,释放摆球,则摆球在竖直平面内的ABC之间来回摆动,其中B点为运动中最低位置,∠AOB=∠COB=α,α小于10°且是未知量.图(乙)表示由计算机得到细线对摆球的拉力大小F随时间变化的曲线且图中t=0时刻为摆球从A点开始运动的时刻,根据力学规律和题中信息(g取10m/s2)求:

(1)单摆的周期和摆长;

(2)摆球的质量;

(3)摆动过程中的最大速度.

题型:填空题

Korean(韩国的)culture is really exciting right now. (1) ______ Young people are going crazy about Korean TV plays ,Korean pop songs ,taekwondo and the Korean language .

The Korean Wave started a few years ago with the TV series(连续剧)Winter Sonata.(2) ______ People ,especially girls ,like the beautiful story and good-looking actors(演员)like Bae Young Jun .

(3) ______ You can often find big Korean names like Baby Vox ,S.E.S. and Finkle at the top of the Chinese music charts( 排行榜).

The Korean Wave has also made young people want to try the clothes and hairstyles of pop stars .Not only that ,some girls in China are having plastic surgery(整容)to change the way they look. People say some beautiful Korean stars have had plastic surgery.(4) ______ .

(5) ______ Find out by yourself when you visit South Korea next time.

题型:填空题

输入动物、动物产品和其他检疫物向( )检验检疫机构报检,由口岸检验检疫机构实施检疫。

A.最先到达的

B.当地

C.最后到达的

D.入境口岸

题型:填空题

苦心孤诣kǔ xÿn gū yì

题型:填空题

大型客车、牵引车、城市公交车、中型客车、大型货车驾驶人应当每两年提交一次身体条件证明.

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