如图所示是目前比较优良的一款碳纤维浴霸，它由两根可以独立工作的碳纤维热感管（可等效为两个发热电阻R₁、R₂）发热来提供热量，为使碳纤维热感管工作时温度不至于过高而损坏，需要一个鼓风机M₁（实际是一个电动机）及时将热量传递到房间，因此要求只有在鼓风机工作后热感管才能发热．该浴霸中还有一个用于照明的灯泡L和用于换气的风扇M₂（实际也是一个电动机）根据各个用电器的作用和用电安全要求，如图所示的四个电路与该浴霸符合的是（  ）

go, to, can't, I, school, today(.)
____

连线并在句子末尾加上标点。

①同学        在山上          飞来飞去 

②小鱼        在校园里        放牛 

③工人        在河里          游来游去 

④燕子        在工厂里        打扫卫生 

⑤农民        在天空中        做工

下列词语中没有错字的一项是（    ）

单句改错

①No matter what hard the project is, I will finish it on time.

②They were extreme sad at the thought of their missing dog.

③I was about to lock the door while the telephone rang.

④Burying in his study, he didn't know that all the others had left.

⑤It's so nice weather that I'd like to take a walk.

⑥Mr. Smith insisted that the thief put into prison.

⑦The number of teenagers injured in the earthquake is frightened.

⑧Smoking can do damage for your health.

⑨I find the man is very difficult to get along.

⑩My father bought a new bike for me which price added up to more than 1000 Yuan.