问题 单项选择题

四环素牙的临床表现如下,除外

A.前牙着色比后牙明显

B.四环素的疗程数与着色程度成正比

C.乳牙着色比恒牙明显

D.釉质着色比牙本质深

E.还有骨组织的着色

答案

参考答案:D

单项选择题
写作题
假设你是李华,你看到班上有部分同学在完成作业时,不自己独立完成而是抄袭他人的作业,针对这种现象,你以My opinion on copying others’ homework为题谈谈你自己的看法。内容要点如下:
 
主要原因
作业量大,偏难
对功课不感兴趣,懒惰
完成任务,取悦老师
 
个人看法
抄袭不对,对学习有害
要诚实,勤奋学习
有困难可以请教老师和同学
……(其它看法)
注意:1. 必须包括所有内容要点,可适当发挥;
2. 标题与开头已给,不计入总词数;
3. 词数100左右。
My opinion on copying others’ homework
It is known to us all that some students copy others’ homework.             
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
Welcome to join us!                                                                                                                               
The English department