肌动蛋白（a.c.tin）是微丝的结构成分，外观呈哑铃状，这种a.c.tin又叫（）

下列式子中正确的是（）。

A.Oad=100一Cad-Had-Nad-Sad-Mad-Aad

B.Oad=100一Cad-Had-Nad-Sad

C.Oad=100一Cad-Had-Nad-Sad-CO2，ad

鉴别急性出血坏死型胰腺炎与水肿型胰腺炎，最有价值的实验室检查是（）

A．血清淀粉酶

B．血清脂肪酶

C．尿淀粉酶

D．血清正铁清蛋白

E．血清胆红素

根据汉语提示填写单词。

1. Mike __________(跌倒) off the chair and hurt his leg.

2. It's hard _________(完成) the work in such a short time.

3.The big boy _________(叫做) Wu Hai is the best player on his team.

4. Mary enjoys __________(听) to the music.

5. This is a black cat __________(有) one white ear and two white legs.

6. My mother __________(担忧)about my health and study very much.

7. The twins enjoyed _________(她们自己) at the party.

8. Her __________(最喜欢的) subjects at school are science and maths.

9. This is an __________(有趣) story book for children.

10. Please drive more __________(仔细).

Caplan综合征

“离休干部荣誉证”由哪个部门制发（）？

A.中央办公厅

B.国务院

C.中央组织部

D.省、自治区（直辖市）人民政府