Ⅰ.单词拼写
1．I don't know how you can ________ (忍受) the noise. It's so loud and unpleasant.
2．We should try to ________ (回收利用) all our waste paper and cardboard boxes to save the resources.
3．Lacking the ________ (动机) to study may be the most dangerous thing to a student.
4．Please ________ (系上) your seat belts tightly as we are landing shortly.
5．Judy and Jane are twin girls, but they are different from each other in many ________ (方面)．
6．The secret of happiness is to think about positive things and stay ________
