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问题 多项选择题

哪些部位在CT扫描时需口服对比剂（）

A.胸部

B.四肢关节

C.腹部

D.颅脑

E.盆腔

答案

参考答案：C, E

解析：口服对比剂的目的是采用人工的办法，改变组织和器官与邻近组织的对比度。

句型转换

句型转换

1.By comparing with others, you will find your problems are not so terrible.（划线部分提问）

              you find your problems are not so terrible?

2. It is interesting to send English messages to friends on a mobile phone.（改为感叹句）

              interesting thing it is to send English messages to friends on a mobile phone!

3. It would be nice if we could get a room with a kitchen so we could cook our town meals.（改为同义句）

It would be nice if we could get a room             a kitchen so we could cook our own meals.

4. Being a volunteer is great.（改为反义疑问句）

Being a volunteer is great,               ?

5. The woman teacher asked the students “ Can you understand what I am saying?”（改为间接引语）

The woman teacher asked the students             could understand what she was saying.
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单项选择题

如下图表示某植物的非绿色器官在氧浓度为a、b、c、d时，测得的CO2释放量和O2吸收量的变化。下列相关叙述正确的是（）

A．氧浓度为a时，最适于贮藏该植物器官

B．氧浓度为b时，无氧呼吸消耗葡萄糖的量是有氧呼吸的6倍

C．氧浓度为c时，无氧呼吸最弱

D．氧浓度为d时，有氧呼吸与无氧呼吸强度相等
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