I can’t understand this passage _______ there are no new words in it.
A. if
B. because
C. though
D. an
查看答案
There is air _______ water on the moon.
A. and
B. or
C. so
D. yet
The street was wet, _______ it rained last night.
A. because
B. as
C. for
D. since
That was our first lesson, _______ she didn’t know all our names.
A. for
B. but
C. so
D. or
引入多道程序设计的主要目的在于()。
A. 提高实时响应速度
B. 减少了处理器的空闲时间,提高了处理器的利用率
C. 有利于代码共享
D. 减少存储器碎片