关于肾小球肾炎的叙述，下列哪项是正确的()A．是引起肾衰竭的最常见原因 B．是一种以

地理因素是我们在对饭店市场细分时的一个标准（）

A.常常使用年龄、性别、职业、收入、受教育程度等作为其变量。

B.常常使用地区、国度、城市、气候、地形、距离等作为其变量。

C.常常用兴趣、需求、意见等作为其变量。

D.常常根据顾客行为、使用频率、顾客所寻求的利益作为其变量。

B

The internet has become part of teenage life.

A new report on 3,375 students aged from 10 to 18 in seven Chinese cities found that 38 percent of them believe they use the Internet often.

While most of them get useful information and use the Internet to help in their studies, some are not using it in a good way.

In order to help young people use the Internet in a good way, a textbook on good Internet behavior has started to be used in some Shanghai middle schools this term. The book uses real examples to teach students all about good ways of using the Internet. The book gives useful advice such as it’s good to read news or find helpful information to study.

Some students also make online friends. But if you are meeting a friend offline, make sure your parents know. Teachers and parents all think the book is of great help. A teacher said the book would be a guide for teens using the Internet. She believes it will keep students away from bad sites. “Many students are using the Internet without guidance from their parents,” she said.  “The book will teach students how to be a good person in the online world.”

40、The textbook mainly tells us    .

why we should use the Internet.

How to study using the Internet.

How to use the Internet correctly.

How to get help from others.

41、What’s the attitude（态度）of teachers and parents towards the textbook？   

A.They are against it.

B.They are for it.

C.They don’t care about it.

D.The passage doesn’t mention.

42、According to the passage， teenagers are NOT encouraged to    .

A.read online news

B.go online

C.find helpful information online

D.meet a friend offline without letting their parents know

43、From this passage we know that    .

A、more and more students have given up visiting bad sites

B、schools and teachers begin to pay attention to students’ use of the Internet

C、no more homework will be given in shanghai middle schools

D、less and less information can be found online

44、What’s the meaning of the underlined phrase “of great help” ?

A、helpful   B、good   C、bad   D、usefully

根据汉语完成句子。

1．她和他的感受相同.

      She felt_________ _________ _________he did.

2.  你计划去哪里度假?

       Where do you_________ _________ _________your holiday?

3.   跟毕阿姨相处很容易.

       _________ _________ _________get on with Aunt Bi.

4.   我爸爸一个月上两次网.

        My father surfs the Internet________ _________ _________.

5．他每天吃得很多,但几乎不锻炼.

      He eats a lot every day, but he_________ _________exercises.

6．老师问了我有关学习的情况.

       The teacher_________me_________my study.

7.    我们需要均衡的饮食来保持健康.

       We need a balanced diet to________ _________.

8． 此时她不知道该说什么.

       She doesn't know what to say_________ _________ _________．

9． 这两姐妹没有什么共同之处.

       The two sisters have nothing_________ _________.   

10.   这本书比那本书有趣.

       This book is________ _________than that one.

下图是血液循环和气体交换示意图，请据图回答问题：

（1）图中心脏的四个腔中，[ ]    ____ 的壁最厚；在心房与心室间，心室与动脉间有           ，它的作用是          。

（2）血液由④射出，流经⑦、⑧到①的循环途径叫              ，在这一过程中发生的血液成分的变化是由       __血变为      __ 血。

（3）在①—⑧内流动脉血的是    _____（填数字）

（4）通过静脉注射药物治疗急性扁桃体炎时，药物需        次经过心脏才能到达扁桃体。

过氧化苯甲酰是一种（）

A．偶联剂

B．化学固化引发剂

C．光敏剂

D．无机填料

E．着色剂