可以由母体通过胎盘传递给胎儿的免疫球蛋白是（）。 A.IgA B.IgD C.IgG

1. As teenagers grow, it is normal for them to become ________ (困惑的)with the changing world both inside and outside of them.

2 To remember so many words in such a short time is really ________ (挑战性) for an ordinary students.

3. She has been c________ with his friends online all the morning. No wonder she hasn’t finished the task yet.

4. If you eat the right food and exercise r________, you can feel better, look better and have more energy.

5. After a heated a___________, a decision was finally made.

有一赔款超过500万元以后的11000万元的责任险超赔分保合同。现发生赔款1000万元，赔付时的通货膨胀率比合同生效时的通货膨胀率增加了30%，如果该超赔分保合同中订立有通货膨胀条款，则分保接受人应承担的赔款金额为（）。

A.550万元

B.500万元

C.300万元

D.350万元

加油站是重要的防火单位，在加油站必须粘贴的警示标志是（　　）

A．

B．

C．

D．

单只中小企业集合票据的发行企业最少须有（）家。

A.1

B.2

C.3

D.4

近年来，微博、微信等新型交流方式发展迅速，他们都是典型的（）融合的产物。

A.电话网和移动网

B.电话网和电视网

C.互联网和电视网

D.移动网和互联网