栀子主产于（） A.湖南 B.湖北 C.山西 D.江西

Since the one-baby policy____小题1:____(carry) out in China, Chinese families have been shrinking from one with over 10 members to the other with only three including parents and one baby. Things are usually out of our expectation. Apart from the benefits____小题2:____have been mentioned enough, small families are now beginning to have ___小题3:___own problems. Because parents are having fewer children, they increasingly feel the need___小题4:___(control) the lives of those children. As a result, many children are becoming less___小题5:___(depend), determined and ambitious than in the past.

Parents today discourage their children from doing housework, extracurricular activities and socializing___小题6:___they fear it will interrupt their education.For example, when I was younger I wanted to learn the guitar___小题7:___my parents wouldn’t allow me because they believe it would distract me from my studies. They are happy as long as I perform___小题8:___(wonder) in my exams but don’t seem concerned about how I develop___小题9:___a person.

To some extent, I understand parents’ concerns, but I think they should love their children for___小题10:___they are, not what they want them to be. We deserve the chance to chase our own dreams and learn on our own. Even if we fail, we can learn from those failures.

验证种子的呼吸作用最好选用（　　）

A．干种子

B．熟的种子

C．萌发的种子

D．刚收获的种子

第一恒磨牙因龋坏严重需拔牙的最佳时间为（）

A.6～7岁

B.8～9岁

C.10～11岁

D.12～13岁

E.13岁以后

女性，30岁，患风湿性心瓣膜病二尖瓣狭窄。3天前感冒，发热、咳嗽，咯黄白粘痰，给予抗生素静滴，按3ml/min的速度输入，在输液中患者突感呼吸困难，频频咳嗽，咯粉红色泡沫样痰。查体：Bp90/60mmHg，呼吸32次/分，心率126次/分，双肺满布干湿啰音。根据以上病例资料回答下列问题：

其诱因是：（）

A.肺部感染

B.情绪激动

C.风湿活动

D.心律失常

E.输液过快

刚参加完运动，心率有点快可以献血吗？