下列说法正确的是[ ] A．一个代数式只有一个值 B．代数式中的字母可以取任意的

课文填空。

1. You'll find your colleagues very ______ you, so you may be able to concentrate on photography later if

     you're interested.

2. A footballer was ______ taking money for deliberately not scoring goals so as to let the other team win.

3. We went to interview him. He ______ taking money but we were skeptical.

4. My first assignment was as an assistant to a famous fashion photographer, who was going to take photos

    of a model ______ Wang Li.

5. She was lying in her front garden ______. Her hands had almost been cut off.

6. He slowed the bleeding by ______ the wounds until the police and ambulance arrived.

7. The tree was planted near the church fifty years ago, but it is only in recent years that it has ______.

8. Since then, he has ______. As soon as he opens the gate from the outside, he comes into the garden and 

    waits until the gate shuts.

9. Yesterday my husband removed the gate and Rex ______ we have not seen him since.

10. The moment you leave this tent, you'll get ______.

下列配伍变化的处理方法中，正确的有（）。

A.改变贮存条件

B.改变调配次序

C.添加溶剂或助溶剂

D.调整溶液pH

E.改变有效成分或改变剂型

分化型甲状腺癌转移灶经临床治疗后¹³¹I显像阴性，而¹⁸F-FDG显像阳性，提示（）

A.预后好

B.癌细胞碘代谢活跃

C.癌细胞分化程度低

D.癌细胞糖代谢降低

E.癌细胞乏氧

新买的纯棉背心、汗衫，用（）浸洗后再穿，可耐磨且不褪色。

出现食物中毒症状或者误食化学药品时，最先采取的急救措施是（）。

A.催吐

B.吃止泻药物

C.进行人工呼吸

D.向卫生防疫部门报告