室温时，向饱和石灰水中加入少量生石灰并恢复到原来的温度．下列说法正确 [ ] A

根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。

WHETHER you like it or not, your parents are responsible (负责任的) for you, at least 小题1:you finish high school. But does it feel like your parents are stressing you out with their love? Do you often fight with them?

Hu Muqing, 15, of Shenyang, complains that his parents are only concerned (关心) about his grades and not his other needs. He and his parents fight the most about the time he   小题2:watching TV and on the Internet.

“They think because I’m in Grade Nine I should concentrate on my work,” the Shenyang teenager said.

“However, I need to be able to relax. Most of my friends can watch TV and surf the Web a lot. Sometimes it’s 小题3:to talk to them. They don’t understand me”.

After some talk, Hu has been allowed to watch TV for 15 to 20 minutes every night, but has been told to keep away from the 小题4:. So it is always turned off .

Since she feels she’s grown up now, Shen Ying, 15, wants more respect(尊重) from her parents.

“My father shouts at me when he’s unhappy. He doesn’t listen to me, but he always pretends to listen to me 小题5:”, said the teenager from Jianyang, Sichuan province. “I’d like my parents to regard me as a friend and understand that respect is a two-way street. ”

Lu Yiting, 15, of Shantou, has a different problem with her parents. They think she spends too much time with her friends and is falling into bad company. They also think she should study all the time.

“I want my parents to believe me,” Lu said.

“ It’s the age when teenagers are becoming more independent (独立的). And teenagers don’t now how to talk with their parents. But their parents are very concerned about their kids’ futures, ” said Sun Yunxiao, a researcher at the China Youth and Children Research Center. Sun suggests that teenagers should 小题6:to communicate with their parents effectively (有效地).

“Find the right time for a talk. 小题7:Mother’s Day or Father’s Day, say ‘Thank you’ to your parents or give them a small gift with a letter so they can get inside your head a little,” he advised.

Sun also believes that teenagers have to work to get trust and respect from their parents.

“You need to make sure they know that you’re not going to fail your exams or let 小题8:down. Let them know that you want to do well, and that you will do well,” he said.

下列使用的工具中属于费力杠杆的是（　　）

A．

用钓鱼竿钓鱼

B．

手推独轮车

C．

用钉锤撬钉子

D．

用天平称质量

慢性肺心病急性加重期使用利尿剂，可能引起（）。

A.低钾、低氯性碱中毒

B.代谢性酸中毒

C.呼吸性酸中毒合并代谢性酸中毒

D.呼吸性碱中毒合并酸中毒

E.稀释性低钠血症

许多企事业单位为营造一个良好的工作环境常会布置一些视听设备，播放一些优雅的音乐或一些新闻，使工作人员在工作之余了解很多事热点，还能得到额外的精神享受。

道岔闭合状态下，辊轮顶面应高于滑床台上表面（）mm。