单词拼写。

1. How do you feel about _____ (濒危的) animals?

2. Soft _____ (光线) makes people look good.

3. These restaurants can _____ (招待) many people every day.

4. Do you think it's _____ (公平的) that some restaurants are designed to be uncomfortable?

5. _____ (坚硬的) seats can also make people want to leave quickly.

外源性致热原的特点，正确的是

A．分子量较小

B．其致热原性可被蛋白酶类所破坏。

C．能激活血液中的中性粒细胞和单核细胞

D．直接作用于体温调节中枢

E．在体内最终由肝、肾灭活和排泄