下列对心源性呼吸困难的描述中，不正确的是（）。 A.劳累时发生或加重 B.睡眠时缓解

We see 3D movies, games, TVs, and so on. Do you hear of (听说起)3D newspapers? Yes, here is a kind of newspaper from Belgian. And it was born（产生） on March 3^rd, 2010. This is the first 3D newspaper in the world.

Huber Leklein with his friends began to make the 3D newspaper in January,2010. They worked really hard. And they finished (完成) in March.

If you buy this newspaper ,you can get a pair of free(免费的) 3D glasses. All the pictures and ads(广告) in the newspaper are in 3D,but the articles(文章) are not in 3D.You can read this 3D newspaper by holding( 拿着 ) the newspaper 50cm away from the eyes. In fact, if people don’t wear the 3D glasses, they can’t read the newspaper very well because the pictures and words in it are not clear.

People like reading 3D newspaper very much. But Hubert Lekein and his friends don’t want to continue(继续) with it because they spent too much money and time.

小题1:The first 3D newspaper is in _____________________

A．England

B．Belgian

C．German

D．France小题2:Hubert and his friends spent ________________ making the newspaper.

A．two days

B．two weeks

C．two months

D．two years小题3:The word “ clear” means ___________________.

A．清晰的

B．干净的

C．有用的

D．好看的小题4:What’s the disadvantage(缺点) of the 3D newspaper?

A．It’s too big.

B．It’s difficult to read.

C．It’s bad for eyes.

D．It’s too expensive（昂贵的）.小题5:Which of the following is True(对)?

A. the pictures, ads and the articles in the newspaper are all in 3D.

B. You have to wear 3D glasses to read the newspaper.

C. People don’t enjoy reading 3D newspaper.

D. You can read the 3D newspaper by holding the newspaper 5cm away from the eyes.

同学们在学习了木炭还原氧化铜的实验后，联想到单质碳的一些化学性质，对反应后的气体成分产生了疑问，某学习小组对该反应产物中的气体成分进行了探究。

〔猜 想〕

①气体产物全部是CO₂ ②气体产物全部是CO ③气体产物            

〔查阅资料〕 CO气体能使湿润的黄色氯化钯试纸变蓝色。

〔设计实验〕根据各自的猜想，他们共同设计了如下图的实验装置进行探究。

〔现象与分析〕

现象	结论
如果装置B                ， 装置C无现象	则猜想①成立
如果装置B无现象，装置C	则猜想②成立
如果装置B          ，装置C____________	则猜想③成立

〔结论〕实验现象证明猜想③成立，同学们的疑问是合理的。

〔反思〕

（1）同学们对CO产生的原因进行了分析：

①原因一：木炭和氧化铜在高温条件下直接发生反出产生CO；

②原因二：反应C+2CuO2Cu+CO₂↑中的一种产物和反应物木炭又发生了化学反应，产生了CO；

请你从原因一、原因二中选择其一，用化学方程式表示存在此原因的化学反应原理______________________________________________。

（2）根据上述实验，请你归纳出单质碳在工业上的重要用途                  

阅读下面文言文段，回答问题。

　　上（唐太宗）与群臣论止盗，或请重法以禁止，上哂（shěn，讥笑）之曰：“民之所以为盗者，由赋繁役重，官吏贪求，饥寒切（逼迫）身，故不暇顾廉耻耳。朕当去奢省费，轻徭薄赋，选用廉吏，使民衣食有余，则自不为盗，安用重法邪！”自是数年之后，海内升平（太平），路不拾遗，外户（大门）不闭，商旅野宿焉。

1．解释下列句子中加粗的词。

（1）或请重法以禁止：_______

（2）朕当去奢省费：_________

（3）轻徭薄赋：_____________

（4）安用重法邪：___________

2．用现代汉语翻译下列两个词语。

（1）路不拾遗：__________________

（2）商旅野宿：__________________

3．短文中唐太宗认为“止盗”应采取什么措施？

________________________________

胆管癌的主要表现是（）。

A.厌食，恶心呕吐

B.腹痛，黄疸

C.腹痛，黄疸和寒战高热

D.无痛性黄疸

E.体重明显减轻

商检机构依照《商检法》的规定对实施（）的进出口商品实行（），查验单证，核对证货是否相符。

A、认证制度，认证管理

B、许可制度，验证管理

C、认证制度，验证管理

D、许可制度，认证管理