在理论创新的过程中,除了综合的运用各种思维方式之外,还需要具备()
A、实践的经历
B、艰苦朴素的做风
C、吃苦耐劳的精神
D、相关的科学知识
参考答案:A
—Why does he like science?
—_____ it's interesting. [ ]
A. Because
B. And
C. But
D . Then
-----Do you know where David is ? I couldn’t find him anywhere.
-----Well. He _______have gone far-----his coat’s still here.
A.shouldn’t
B.mustn’t
C.can’t
D.wouldn’t