胎儿轻度肾盂肾盏扩张原因是：（） A.超声检查前，母亲摄人大量液体 B.胎儿肾脏利尿

同义句转换

1. Children can't wait to open the presents.

Children are _____ _____ _____ _____ the presents.

2. I have a scarf. Its colour is yellow.

I have a scarf _____ _____.

3. I can't afford this pair of glasses. It's kind of expensive.

I can't afford this pair of glasses. It's _____ _____ expensive.

4. I don't know how I should do it.

I don't know _____ _____ do it.

5. People that have no hobbies are dull.

People _____ _____ are not dull.

如图为人体消化系统组成示意图．请据图回答：

（1）细嚼米饭一会儿，感觉有点甜，这是因为[______]______中有______分泌的消化液，分解了米饭．米饭经消化后的营养成分是由[______]______吸收的．

（2）当[______]______分泌的胆汁不足时，将影响肥肉的消化．

（3）只能对部分蛋白质进行初步消化的器官是[______]______．

为了便于对照检查，测试用例应由输入数据和预期的 【4】 两部分组成。

( )是指认证机构对获得认证的单位在证书有效期限内所进行的定期或不定期的审核。

A．监督审核

B．复评

C．现场审核

D．文件审核

是否具有感染性是判断一段程序是否为计算机病毒的重要条件之一。