填在下列横线上的词语，最恰当的一项是[ ] （1）它仿佛________摆出它的

美国和墨西哥研究人员将普通纳米银微粒分散到纳米泡沫碳(碳的第五种单质形态)中，得到不同形状的纳米银微粒，该纳米银微粒能有效杀死艾滋病病毒(HIV—1)。纳米泡沫碳与金刚石的关系是

A．同素异形体

B．同分异构体

C．同系物

D．同位素

Expressing gratitude is an important form of good manners. Nowadays more and more people in China have found it’s high time to (1) a thankful heart for the young.Everyone likes to get praised and appreciated. Gratitude is the greatest of virtues, which lets others smile and makes the world more beautiful. You just need several minutes to write down a thank-you note, but it brings much joy to the (2) .We live in a society where we enjoy the different services of others. But (3) of them should be taken for granted.Gratitude is also a kind of (4) in life. In developing gratitude for every moment—for the simple joys and even for the (5) times—we come to truly enjoy and appreciate life. Then we are able to see the (6) that surrounds us.Try to write a thank-you letter to your parents for working hard to (7) you a happy life.Be grateful to your teachers because of their (8) with your studies and character building.Say thanks to your friends who (9) both your happiness and sorrow. We are sure it will bring them much joy and add (10) into your own life as well.

第（2）空应选择（）

A．doer

B．receiver

C．performer

D．speaker

车辆段列检红外线复示中心值班员负责列检所在站（）的热轴预报。

A.红外线预报微热级

B.红外线预报微热级以上

C.及相邻区间探测站红外线预报微热级以上

D.及相邻区间探测站红外线预报强热级以上

发生突发事件时的应急技巧有哪些？

理中丸主治证不包括（）

A.阳虚失血

B.脾胃虚寒呕吐

C.脾胃虚寒下利

D.中焦虚寒之小儿慢惊

E.脾胃寒湿、气机阻滞之脘腹胀痛