治疗慢性心功能不全和逆转心肌肥厚并能降低病死率的药物是（） A.强心苷 B.哌唑嗪

阅读下列短文，然后从每小题A、B、C、D四个选项中选出能回答所提问题或完成所给句子的最佳答案。

                                          We Are One — "Expo Through My Eyes" 

       Sharing increases your happiness. To celebrate the 2010 Shanghai World Expo, China Daily invites you to

share what you've seen, heard and experienced at the 6-month international event or Expo-related stories in

ENGLISH. Whether you are an Expo volunteer, a journalist, or a tourist, we'd like you to share with us your

expo experience, as viewed through your eyes. So if you like, please join us today in sharing the joy!

Eligibility (适宜人选): Everyone

Topic: 2010 Shanghai World Expo

Language: ENGLISH Only

Length: No more than 1, 000 words

Content: Stories accompanied (附有) by photos are encouraged.

Duration: May 1, 2010 — October 31, 2010

How to submit your stories: Send your stories and photos to expo@chinadaily.com.cn

Why join us: In addition to (除……之外) the satisfaction of supporting our work.

—Your stories will come out on China Daily's website;

—You will go in a lucky draw to win a prize.

1. China Daily invites us            . [ ]

A. to celebrate the 2010 Shanghai World Expo

B. to support their work

C. to write Expo-related stories in English for them

D. to win a prize

2. Who can take part in this activity? [ ]

A. Everybody.

B. A tourist.

C. A journalist.

D. An Expo volunteer.

3. What does the underlined word "submit" mean? [ ]

A. 撰稿

B. 呈交

C. 发表

D. 发送

4. Your story must not            . [ ]

A. be written in English

B. have any pictures

C. be less than 1000 words

D. be submitted after October 31, 2010.

5. If your story is chosen by the editor, we can read it            .[ ]

A. in a magazine

B. in a storybook

C. on China Daily's website

D. in the newspaper named China Daily

小明在连接好电路后，闭合开关发现电压表指针如图所示，出现这种情况的原因是                              。

确定工艺余量的因素有哪些？

比较法的可比性主要是指（）。

A、时间上的可比性

B、空间上的可比性

C、方式上的可比性

D、内容上的可比性

在马斯洛的需要层次理论中，需求层次得到满足的顺序是（）。

A、因人而异

B、从中间到两边

C、从低到高

D、从高到低