题目

请根据句意从方框中选择合适的单词，并用其适当形式填空，使句子通顺。 sure we strict decide pronounce 【1】Safety check is much ________ than ever before.【2】Every day, Mr Smith spends much time correcting our ________.【3】You should look up the word in the dictionary when you are ________ of its spelling.【4】We often have different ideas. As a result, we find ________ in heated discussions.【5】________, as well as action is the key to success.已知异面直线a，b分别在平面α，β内，且α∩β=c，那么直线c一定（ ）A．与a，b都相交B．只能与a，b中的一条相交C．至少与a，b中的一条相交D．与a，b都平行