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问题 单项选择题

KB(千字节)是度量存储器容量大小的常用单位之一，1KB等于______。

A．1000个字节 B．1024个字节 C．1000个二进位D．1024个字

答案

参考答案：B

阅读理解

Name:Sara
Age:14
Class:Junior 3
Student’s progress report:My exam results are good in all subjects and I am very pleased about this because I did a lot of revision.My best results were in my favourite subjects,physics and chemistry,I know I am good at them and I enjoy dong scientific experiments.
Teacher’s report:Sara is an intelligent,hardworking student with an excellent attitude(态度) to her schoolwork.She is quite shy and should be encouraged to join school clubs and afterschool activities.
 
Name:Steve
Age:15
Class:Junior 3
Student’s progress report:I am happy because my exam results are a lot better than they were last term.I love computers and computer games and my best grades were in Information Technology.I would love to be a computer programmer but I don’t know if I’m clever enough.But I wouli like to do work with computers.The other thing I’m really interested in is languages.I enjoy learning English and find translation quite easy.
Teacher’s report:Steve is a lively and popular student who has made much progress this term.However,he needs to be mor serious and organised if he wants to become a computer programmer.He should get good results in math.Steve’s Enhlish has improved a lot.Perhaps he should consider becoming an English teacher.
小题1:Who did a lot of work for the exams?
A.Sara.             B.Steve.             C.Both.
小题2:Sara enjoys _________.
A.playing computer games.
B.doing scientific experiments
C.learning English
小题3:The teacher thinks Steve needs to ____________.
A.improve his math     B.learn English better     C.play more cmputer games
小题4:In the teacher’s opinion,Steve should be __________.
A.a scientist           B.an English teacher       C.a comptuer programmer
小题5:Which of the following activities is the most suitable to improve Sara?
A.Playing computer games.  B.Watching TV.     C.Playing basketball.
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单项选择题

.绒毛膜癌主要播散的方式（）

A.淋巴转移和种植

B.血行转移和淋巴转移

C.直接蔓延和种植

D.直接蔓延和淋巴转移

E.血行转移
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