题目内容
______ has an internal clock that regulates the beating of our hearts, and the ______ of our breathing.
| A．Mankind; step | B．Human; pace |
| C．Human being; step | D．Man; pace |
D
解析试题分析：考查名词：句意：人类有永恒的时鈡（生物钟），它控制着我们的心跳和呼吸的频率。human 或human being是可数名词，可以排除， pace是步幅，频率 而steps是脚步，选D。
考点：考查名词
天天向上一本好卷系列答案
小学生10分钟应用题系列答案One of my classmates accidentally ____ he had cheated in the last examination, or he wouldn’t have got so high a mark.
| A．pointed out | B．let out | C．took out | D．tried out |
Can you give me some advice on how to _____ the time I have lost?
| A．look up to | B．make up for | C．put up with | D．break away from |
If parents have children help with housework, the children will feel needed. ______, they will learn to take care of themselves.
| A．On the contrary | B．In a word | C．That is to say | D．What’s more |
All the others seemed to know each other and I began to feel _______.
| A．given away | B．left out | C．turned down | D．fallen behind |
It will be a big help if you go to the store and get what we need for dinner. ___________, I will set the table.
| A．As a result | B．On the whole |
| C．In the meanwhile | D．As a matter of fact. |
In fact, I think it’s very much nicer without the naughty boy, if you don’t mind me ________ so.
| A．say | B．to say | C．saying | D．to saying |
Peter’s handwriting is really too bad to read; I can hardly ________ what exactly he’s trying to say.
| A．give out | B．leave out | C．make out | D．bring out |
I can’t say which type of tea tastes better. It’s just a(n) ______ of personal preference.
| A．affair | B．matter | C．variety | D．problem |