一个数最大的约数,就是它的最小倍数.______.(判断对错)

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问题:

一个数最大的约数,就是它的最小倍数.______.(判断对错)

考点:因数,倍数,约数,公因数(公约数),公倍数
题型:解答题

单词拼写

小题1:The progress of the work will depend on how modern the e____________ (设备) is.

小题2:We e____________ (交换) addresses and phone numbers at the party held on Sunday.

小题3:Our bodies are strengthened by taking exercise. S____________ (类似地), our minds are developed by learning.

小题4:There is nothing like a holiday to make us feel r____________ (放松的). 

小题5:Radio-paging systems (无线寻呼系统) enable us to c____________ (联络) each other even though we do not have a telephone within easy reach.

小题6:He will make a speech on behalf of (代表) all the graduates at the graduation c ____________ next Monday.

小题7: Parts of trees and bushes came falling down around us, but it was f____________ that nobody was hurt.

小题8:According to the timetable, the airplane will cover the d____________ from Beijing to Shanghai in an hour and a half.

小题9:After the written test and interview, Jackson came to the c____________ that Mr. Li was not fit for the position.

小题10:Our math teacher is very s____________ not only with all of us, but in all her own work.

题型:解答题

读地球五带图回答:

①写出五带的名称

A.______,B.______,C.______,D.______E.______.

②有阳光直射的是______带,当我国夏至日时,有极夜现象的是______带,有极昼现象的是______带.(只需填写字母)③F是______线,G是______线,④学校所在地位于______带(只需填写字母).

题型:解答题

哪种方法不能提高对疖的免疫功能

A.紫外线疗法

B.日光浴

C.温水浴

D.红外线疗法

E.有氧运动

题型:解答题

流行病学实验要求当样本量确定后,必须遵循随机化原则将研究对象随机分配到实验组与对照组,其理由是

A.可消除各种偏倚
B.从工作方便出发
C.可提高依从性
D.可平衡实验组和对照组的混杂因素,提高可比性
E.可制止医德方面的争议

题型:解答题

V型锥流量传感器接入中心站软件显示值有()。

A.纯瓦斯流量

B.混合气体流量

C.工况流量

D.累记流量

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