搜题请搜索小程序“爱下问搜题”
问题 单项选择题

微型计算机自70年代初问世以来已经历了五个发展年代，而微机年代是按________来划分的。

A．内存大小

B．外存大小

C．字长大小

D．主频率大小

答案

参考答案：C

填空题

用括号里的词的适当形式填空。

1. Since I was born, my family _____________ (live) in this village.

2. During the past five years, great changes ______________(take) place in our hometown.

3. I saw a dog ______________ (lie) on the ground at that time.

4. -           she ____________ (finish) reading the storybook yet?

    -No. She _____________(finish)it in 2 days.

5. Neither Jane nor Tom _____________(see) it so far.

6. You will have no trouble ______________( find) rice, noodles or dumplings.

7. The flowers start             (come)out in spring.
查看答案
单项选择题

有关骨转移瘤CT诊断的描述，错误的是（）

A.CT扫描较平片敏感

B.不易鉴别骨疏松与细微骨破坏

C.成骨性转移表现为局部骨质消失伴软组织肿块

D.轻微骨膜增生易漏诊

E.增强一般均匀性强化
查看答案