在3Fe+2O2Fe3O4反应中： (1)反应物是_______和_______

下列各句中，没有语病的一句是（）

A．今年清明节就要到了，有媒体组织市民到长春市九龙烈士公墓烈士扫墓，纪念革命先烈。

B．赵伟觉得，现在长春图书馆的服务效率、水平和规模都很高，特别是今年推出的便民、利民、惠民服务举措，简化了读者手续，实施了无障碍、零门槛。

C．由于联想乐Pad在上市前夕遭受到苹果iPad2的价格劫杀，有没有把握取得更好的业绩，解决问题，促进销售，并不令人乐观。

D．3月9日，美国总统奥巴马提名商务部长骆家辉为新任驻华大使。他如果通过了提名，将是首位华裔驻华大使。

Today, we’ll be discussing EQ: emotional intelligence quotient. Your emotional intelligence quotient seems to indicate how well you (1) your own emotions, and bow well you (2) to others.
EQ is not exactly a new idea, but the (3) itself is a new one. People have realized the way you control your feelings is just as important as your (4) — maybe even more important.
The focus of today’s session is: can you learn EQ Some (5) school teachers think that some kids have (6) EQ’s than others. Even at five or six years old, some of the kids tend to be much more (7) and (8) than others. Another example is that kids deal with (9) in different ways. One may get frustrated with a (10) problem, but another child, with a higher EQ, might be able to handle the situation better. She might try (11) ways to approach the problem, or ask for (12) .
Can you (13) to have a higher EQ People seem to have different views on this question. Most of the people believe that the answer to this question is (14) . For example, kids can be (15) to have patience and not to give up when things go wrong. They learn to respond well to their (16) But others don’t agree. They find that some people never learn to (17) their EQ. The problem is that people with a low EQ have a (18) time seeing how their behavior affects other people. They see no reason to (19) They’ll probably never adjust their (20) .

补体结合试验结果阴性时出现（）

A.血凝

B.血凝抑制

C.溶血

D.不溶血

E.以上都不是

下列关于建筑火灾的发展过程说法不正确的是()。

A．初起期是火灾从无到有开始发生的阶段，这一阶段可燃物的热解过程至关重要

B．发展期是火势由小到大发展的阶段，这一阶段通常满足时间平方规律，即火灾热释放速率随时间的平方非线性发展，回燃就发生在这一阶段

C．最盛期的火灾燃烧方式是通风控制火灾，火势的大小由建筑物的通风情况决定

D．熄灭期是火灾由最盛期开始消减直至熄灭的阶段，熄灭的原因可以是燃料不足、灭火系统的作用等

佩带自救器撤离危险区域时，如果感到吸气干热且不舒服（）。

A.可以脱掉口具吸气

B.可以摘掉鼻夹吸气

C.决不可脱掉口具和摘掉鼻夹吸气