钢材锯切与定尺有哪些要求？

单词拼写。

1. Trees along the road provide ____ (遮蔽) from the sun for the farmers.

2. As e____ was cut off, they had to use candles instead.

3. The poor man was badly i____ in the train accident.

4. The ____ (受到惊吓的) girl was speechless after she saw the terrible scene.

5. More than 90 percent of the houses were badly ____ (损坏) by the flood.

1.The teacher said if I didn’t finish my homework, he would p________ me.

2.There are two new bicycles, and you can c________ one of them.

3.He is so honest and he r________ to copy my homework.

4.She is a p________ girl and she doesn’t like to make friends with me.

5.She lives in the house a________ and she never talks with her neighbor.

五四运动是中国近代史上一次彻底的反帝反封建的爱国运动，标志着中国新民主主义革命的开端。五四运动取得初步胜利的表现是：

①北洋政府被迫释放被捕学生

②罢免了三个卖国贼的职务

③中国出席巴黎和会的代表拒签和约

④无产阶级开始登上政治舞台

A．①②④

B．②③④

C．①③④

D．①②③

1310的传输窗口被称为零色散窗口，1550的传输窗口被称为最小损耗窗口。（）

简述教育的个体个性化功能。