一个人的知识只有10%是靠正规学校教育给予的。因此，学习要重视两个方面：首先，要不断地向书本学习；其次，向能者学习。
参考答案：对
The situation at Omaha Beach was so bad _______ the soldiers succeeded in
landing on the beach with a lot of people losing their lives.
A．that
B．enough
C．when
D．once
皮带机清扫器与胶带之间的距离是多少？
