经测定某化合物含C、H、O、N、S等元素，对该化合物功能的叙述错

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问题选择题

经测定某化合物含C、H、O、N、S等元素，对该化合物功能的叙述错误的是[ ]

A．信息传递作用

B．调节生命活动

C．用于基因工程获得黏性末端

D．维持细胞的酸碱平衡

答案

答案：D

阅读理解

任务型阅读。

Mary，Laura，Jim,，Jack和Jenny各自丢失了一样东西，请你仔细阅读第1-5 题中的他们对各自失物的描述，然后从A到F六个选项中选择相对应的图片(有一项多余)。

( )1. Mary: Hi, my name is Mary. My ID card is lost. My card number is zero three eight five six.

Thank you

( )2. Laura: Hi, I'm Laura. I lost my notebook. Its color is yellow. It's not a very big one. Thanks

( )3. Jim: Help, help! I can't find my favorite football. It is white and black. It's a new ball. Please

help me.

( )4. Jack: I'm Jack Brown. I lost a photo of my family. My father, mother, sister and I are in the photo.

( )5. Jenny: My name is Jenny. I am new here. I am not happy because my black watch is lost. My

telephone number is 5649-0983. Please call me.

多项选择题

在下列账户，同资产类账户结构相反的是()账户。

A、收入

B、费用

C、负债

D、成本

E、支出

F、所有者权益