计算：（1）14×（-89）；（2）（-56）×（-310）；（3）-2415×

根据首中文意思用适当的形式填写句中的单词。

1. What __________ (有乐趣) it will be when we all go on holiday together!

2. __________ (一旦) he starts to do something, he won't stop until it is finished.

3. After __________ (毕业) from college, we finally got the chance to take a bike trip.

4. When the nights were warm, I stayed awake on __________(故意) until very late to see the moon.

5. She __________ (遭受) from loneliness when studying abroad.

6. I told him I was sorry, but he didn't seem to __________about (在意) it.

7. The little boy is so __________ (吓坏了) that he cries for his mum.

8. My grandpa is __________ of (喜欢) fishing and sometimes he fishes all day in the river.

水塔基础与塔身划分（）。

A.以砖砌体的扩大部分顶面为界

B.以砖砌体的扩大部分地面为界

C.以砖砌体的扩大部分底面为界

D.以砖砌体的扩大部分平均面为界

宋某，男性，35岁，因胃脘疼痛，饥饿时痛甚，伴恶心欲呕入院，为明确诊断，医生开出电子胃镜检查，第2天患者在护士的护送下来到胃镜检查室．胃镜室护士小刘热情接待了他．请问：

检查完毕，护士小刘处理内镜的方法错误的是 ( )

A．用过的内镜应立即进行清洗，用自来水和清洗剂或含酶清洁剂清洗内镜外表面和各孔道及内腔

B．将洁净干燥后的内镜置于2%戊二醛消毒液中浸泡20分钟

C．内镜附件如活剪钳、导丝等选用压力蒸汽灭菌或2%戊二醛消毒液浸泡10小时

D．口圈、弯盘、敷料缸等选用压力蒸汽灭菌

E．消毒软式内镜的槽每周清洁1次

电器的载流体允许长期通过故障电流。

试述水土保持工程措施的种类及其在水保流失综合治理中作用。