高一一道数学题和几道英语题

{β|β=180°·k+100°，k∈Z且-720°<β<720°}
（我爱描述法）
英语
B polluted作定语 cause似乎接to do，然后我觉得悄正嫌有了many应该不能用灭绝这启手个种群词……
B oh no 修改一下= =不是清纯因为这个而死啊……是和这个一起死的= =~谢楼上提醒
A 刚才尼玛看错了= =是die away 可以表示风暴情绪等平息

英尺埋拿陵搭语液信是 B B A

He stretched out his arms to protect his child from being hurt.
他们聚在一起，免收风吹。

cv数学：请写出在(-720°,720°)内与100°终边相同配坦的角的培坦桐集合

英语：
___rivers and lakes have caused many fish ____.
A.having been polluted;die away
B.polluted;to die
C.polluted;to die away
D.polluted;dying out

It was a pity that the great writer died___his work unfinished.
A. for B.with C.from D.of

After the excitement of the audience ___,the speaker restarted his speech
A.died away B.died of C.died out D.blown out

翻译：信锋他伸出胳膊,保护他的孩子免受伤害（protect..from）
翻译：They huddled together to protect themselves from the wind.

与100°终边相同的角的集合=360°k+100°，，故k=-2,-1,0,1,
集合=(-620°,-260°,100°,460°)
d
b
a
He stretched out his arm to protect his child from being hurt
他们聚在一起，，在风中保凯轿护盯拦肆自己衡前