保护生态环境必须依靠制度。要健全（）、（）、（）的体制机制，推动形＊＊与自然和谐发展

 阅读理解。

     Eric is my brother.  He is nine years old.  He is a good student.  But he cannot get up early.  He sleeps until nine or ten in the morning,  so he often arrives late for school.  My father doesn’t want him to be late for school,  so he buys an alarm clock for Eric.  He says to Eric,  “You must get up when you hear the clock ring. ”“Yes,  Dad, ” Eric says.  After that Eric gets up at six when he hears the clock ring.  One day my father forgot to wind up(上发条) the clock.  And the next day Eric didn’t get up at six.  It was time for breakfast.  My father went to his room.  Eric was in bed and his eyes were open.  “Why didn’t you get up? ” My father said angrily.  “You told me I must get up when I heared the clock ring.  And now I am waiting for the clock. ”

根据短文内容，判断句子的正（T）误（F）。

(     )1. Eric isn’t a good student and he often arrives late for school.

(     )2. Eric’s mother doesn’t want him to get up late.  

(     )3. Eric’s father bought a clock for Eric because Eric likes it.  

(     )4. One day the clock didn’t ring but Eric got up early.  

(     )5. Eric was waiting for the clock to ring.  

用分子的知识解释下列现象，正确的是

A．缉毒犬能根据气味发现毒品，是由于分子不断运动

B．铁丝在空气中不燃烧而在氧气中燃烧，说明空气和氧气中的氧分子化学性质不同

C．变瘪的乒乓球放人热水中能鼓起来，是由于分子受热体积变大

D．降温能使水结成冰，是因为在低温下水分子静止不动

针灸治疗疳疾有潮热者配穴

A．大椎
B．百虫窝
C．四缝、关门、梁门
D．四缝、合谷、内关
E．下脘、四缝、商丘、足三里

图中标志的含义是什么？（）

A．载货汽车驶入

B．禁止载客汽车驶入

C．禁止载货汽车驶入

D．禁止机动车驶入

在我国，公布法律要由全国人大常委会委员长以发布命令的形式进行。