人是非正常宿主的吸虫是（） A.日本血吸虫 B.华支睾吸虫 C.卫氏并殖吸虫 D.布

如图，在△ABC中，∠C=90°，AC=BC，∠BAC的平分线AD交BC于D，DE⊥AB于E，若AB=7cm，则△DBE的周长是______．

夏柯三联征是指（）.

A.黄疸

B.恶心、呕吐

C.寒战、高热

D.腹痛

E.抽搐

根据所给词的适当形式填空。

1. Dr. Brown is ____________ (success) than he was ten years ago.

2. It is thoughtful of you ____________ (play) the CDs for us.

3. —Did you go out that morning? —No, never. I ____________(write) my composition in my

    room the whole morning.

4. ____________ (Luck), Uncle Zhang found a new job within one week.

5. —How clean the room is! —Who ____________ (clean) it?

6. I have had my bike ____________ (mend) since three days ago.

7. It's ____________ (fair) for me to do the whole work alone.

8. Blue will make you ____________ (feel) calm.

9. ____________ (wear) blue clothes or sleeping in a blue room is good for the mind and body.

10. I hope we can make a ____________ (decide) today.

下列不是关于ETF份额交易的是（）。

A．基金上市首日的开盘参考价为前一工作日基金份额净值

B．基金实行价格涨跌幅限制，涨跌幅比例为10%，自上市首日起实行

C．基金申报价格最小变动单位为0.01元

D．基金申报价格最小变动单位为0.001元

现阶段高炉煤气不锈钢波纹补偿器常用什么型号材料？（）

A.SUS304

B.SUS316L

C.254SMo

D.Inconel625