不等式组$\left\{\begin{array}{c}x<8\\ x>m\end{array}\right.$有解，m的取值范围是____ 

    Mr.Smith used to be in prison for three____(year),which may make you think he is not a good man.But____fact, he is kind-hearted as well as honest.The reason why he was put into prison was not that he____(he) broke the law, but that his six-year-old son blew up the bridge near his home,imitating（模仿）what he had seen on TV.Although this little boy____(break) the law,he was so young that he couldn't be put in prison.According to the local law,the boy's parents could not avoid____(punish).

    As____result, Mr. Smith received the punishment. He was arrested and finally was taken to the police station. Most of the people in the town showed pity on him,but it was____(complete) useless.After all,everybody is to obey the law____(make) by the government.Unluckily,what made us____(amaze) was that Mrs.Smith was out of work before long.However, they have lived a happy life ever since.Misfortunes（不幸）tell us____fortune is.

下列天气符号所代表的天气对人类活动最为有利的组合是（　　）

如图甲所示，为热敏电阻的R﹣t图象，图乙为用此热敏电阻R和继电器组成的一个简单恒温箱温控电路，继电器的电阻为100Ω．当线圈的电流大于或等于20MA时，继电器的衔铁被吸合．为继电器线圈供电的电池的电动势E=9.0V，内阻可以不计．图中的“电源”是恒温箱加热器的电源．则

①应该把恒温箱内的加热器接在____（填“A、B端”或“C、D端”）．

②如果要使恒温箱内的温度保持50℃，可变电阻R′的阻值应调节为____Ω．

根据句意及首字母或汉语提示完成句子。