大雨过后，蚯蚓会纷纷钻出地面，这是为了进行______，这项功能依靠蚯蚓湿润的_

短文填空  根据短文内容及首字母提示,补全空格内单词，使短文完整、通顺（共10题；每小

题1分，满分10分）

Many people say dolphins are very intelligent(聪颖的). They seem to be able to think, understand, and learn things quickly. But are they as c  小题1:   as humans or more like cats or dogs? Scientists say dolphins’ intelligence is s 小题2:   to human intelligence in some ways.

How? Like h  小题3: , every dolphin has a “name”. It is a special whistle. Scientists think dolphins, like people, “t 小题4:  ” to each other about a lot of things, such as their age, their feelings, or finding food. And , like humans, dolphins use a system(系统) of sounds and body l 小题5:   to communicate. But understanding their conversation is not easy for human. No one “speaks dolphin” yet, but some scientists are trying to learn.

Dolphins are also social animals. They live in groups, and they often come to play games from different groups and have f 小题6:  , just like people. In fact, playing t 小题7:  is something only intelligent animals do.

Dolphins and humans b 小题8:   make plans to get something they want. In the seas of southern Brazil, dolphins use an interesting way to get food. When fish are n 小题9:  a boat, dolphins signal (发信号) to the fishermen to put their nets(网) in the water. And the men can catch a lot of fish. What is advantage for the dolphins? Why do they h 小题10:  the men? The dolphins can get some of the fish.

新的个人所得税实施后，个税“免征额”从2000元提高到了3500元。这有利于（     ）

A．保障财政收入，增加国家实力

B．调节收入差距，促进社会公平

C．稳定市场物价，抑制通货膨胀

D．发展市场经济，建立诚信体系

患儿男，4岁。生后即被发现腭部裂开，检查见腭垂、软腭及部分硬腭裂开，牙槽嵴完整。该患儿的诊断是（）

A.先天性单侧完全性腭裂

B.先天性软腭裂

C.先天性不完全性腭裂

D.先天性单侧不完全性腭裂

E.先天性完全性腭裂

对内燃机车的主要部件进行检查修理，恢复机车主要性能。其修理周期有：干线内燃机车为23～30万Km；调小内燃机车为2.5～3年。称为中修。中修修理为J修修理。

基本面型交易策略依据预测价格变化的方法不同，可以分为（）。

A.宏观型交易策略

B.行业型交易策略

C.事件型交易策略

D.价差结构型交易策路