老年人硒补充过量，可致慢性中毒，表现为（） A．厌食、毛发脱落、易发怒激动 B．静脉

证券经营机构自营业务与经纪业务相比较，特点之一是（）。

A.决策的规范性

B.交易的优先性

C.收益的不确定性

D.风险的易控性

关于黏膜下肌瘤，下列说法哪项不正确（）

A.月经改变为子宫肌瘤最常见的症状

B.肌壁间肌瘤生长较大时可有月经过多

C.黏膜下子宫肌瘤妇科检查多为子宫不均匀性增大

D.黏膜下肌瘤一般不压迫直肠或膀胱

E.浆膜下肌瘤内诊时子宫表面可触及肌瘤结节

句型转换。

1. He never watches programmes about animals. (就画线部分提问) 

    ________ ________ does he watch programmes about animals?

2. I saw and heard something in the dark room. (改为否定句)

   I ________ see ________ hear anything in the dark room.

3. The girl looks good in red and purple. (保持句意基本不变)

    Red and purple ________ good ________ the girl.

4. I can't decide where I will spend my coming holiday. (保持句意基本不变)

    I can't decide ________ ________ spend my coming holiday.

5. The famous director chose Hepburn to play the lead role of a young princess. (改为被动语态)

    Hepburn ________ ________ to play the lead role of a young princess by the famous director.

鼻痔方功效与作用

熏鱿鱼