骨囊肿可见到 A．局部肿块，无触痛，多偶然发现 B．表面静脉

搜题请搜索小程序“爱下问搜题”

问题单项选择题

骨囊肿可见到

A．局部肿块，无触痛，多偶然发现
B．表面静脉怒张
C．多发生于扁平骨及不规则骨
D．发病后迅速出现瘫痪
E．病理性骨折后可自愈

答案

参考答案：E

阅读理解

阅读理解。

My name is Emma Hall. I am 10 years old. I am in Class One, Grade Five. My parents are Chinese

teachers. I don ' t have brothers or sisters. But I have a cousin. Her name is Mary Hall. She is my

uncle ' s daughter. She has a great school things collection. She has 20 pencils, 18 rulers, 15 erasers ,

25 pens, 16 pencil sharpeners. Look! Her pencils are in the pencil case. Her erasers and pencil

sharpeners are in the drawer. Her pens and rulers are on the desk.

1. Emma's __________are Chinese teachers.

A. parent

B. father and mother

C. sister

D. cousin

2. Emma has no__________ .

A. sisters

B. parents

C. uncles

D. pens

3. Mary has 20 __________.

A. rulers

B. pens

C. pencils

D. erasers

4. Mary's erasers are __________.

A. on the desk

B. in the drawer

C. in the pencil case

D. in the backpack

5. Mary is __________.

A. Emma's sister

B. in Class One, Grade Five

C. Emma's cousin

D. Emma's brother

单项选择题

802.11标准定义了3种物理层通信技术，这3种技术不包括（）。

A．直接序列扩频

B．跳频扩频

C．窄带微波

D．漫反射红外线