危重昏迷患者经治疗后脱离危险，进入康复期，医患关系交往模式的类型将由（） A.主动-

有些动物的性别分化受温度影响。下图是4种爬行动物的卵在不同温度下发育成雌雄个体的比例，其中能表示雄性仅出现在某个很狭窄的温度范围内，而高于或低于此温度范围则出现雌性的是[ ]

A．

B．

C．

D．

Some pre-school children go to a day care center, _             they learn simple games and songs.        [ ]

A. then                          

B. there        

C. while                          

D. where

Rewrite the following sentences as required(根据所给要求，改写下列句子。每空格限填一词) .

1. The new product consists of four main parts inside. (改为一般疑问句)

    _________ the new product _________ of four main parts inside?

2. Jessica solved the physics problems without any help. (保持句意基本不变)

    Jessica _________ _________ the physics problems without any help.

3. Susan followed Ben's advice to design smart shoes. (就划线部分提问)

     _________ advice _________ Susan follow to design smart shoes?

4. Lin Dan played badminton very well. He won the Thomas Cup again. (合并为一句)

    Lin Dan played badminton well _________ _________ win the Thomas Cup again.

5. My students always share ideas in class. (改为被动语态)

    Ideas _________ always _________ by my students in class.

6. Choose the perfect grapes only, or you won't be able to make the best wine. (保持句意基本不变)

    You _________ be able to make the best wine _________ you choose the perfect grapes only.

7. "Is it the first boys-only school in the city?" asked a parent. (改为宾语从句)

    A parent asked _________ it _________ the first boys-only school in the city.

如图是某品牌漂粉精片的说明书．

（1）Ca（ClO）₂中Ca、Cl、O三种元素的质量比为______，每片有效氯（次氯酸钙所含氯）含量至少是______%，漂粉精片中Ca（ClO）₂的质量分数至少为______．（保留一位小数）

（2）漂白粉是由氯气（Cl₂）与氢氧化钙反应制得，同时生成CaCl₂和水，反应的化学方程式为______．

（3）根据“漂粉精片说明书”内容分析漂白粉可能有的一种化学性质______．

Outlook Express作为邮件代理软件有诸多优点，以卜说法中，错误的是______。

A．可以脱机处理邮件
B．可以管理多个邮件账号
C．可以使用通讯簿存储和检索电子邮件地址
D．不能发送和接收安全邮件