__________ nearly six years since I st...

__________ nearly six years since I started to study English

A.It
B.There
C.It
D.There

1.Hardly __________ down when the bell rang

A.had
B.did
C.Ihad
D.Idid

2.Now I am going to (15) slowly from one to five

A.count
B.say
C.add
D.speak

3.a great way to stay (2) with friends and family

A.friendly
B.close
C.connected
D.natural

4.he must return to the right as (12) as he can

A.possible
B.soon
C.much
D.hard

5.if he is careful and serious enough

A.Therefore
B.But
C.And
D.As

6.How many farmers said that the rain would be helpful?

A.None
B.One
C.Two
D.Three

7.BCD的拨盘接口设计方法有()。

A静态接口方法
B动态接口方法
C软接口方法
D硬接口方法

8.微机在微机测试系统的中的作用为()。

A使测试自动化
B提高测试精度
C通过数据变换实现多功能
D降低了测试系统成本

9.12位A/D转换器的程序设计方法可以采用()。

A查询方式
B定时采样方式
C中断方式
D寻址方式

10.幼儿观察力的发展主要表现在观察的()。

A、目的性
B、持续性和组织性
C、细致性
D、概括性