1 . 选词填空

A. controversial       B. confidential          C. complicated       D. enormous        E. consistent

1. She's not very ________ in the way she treats her children, sometimes good, sometimes bad.
2. The instructions look very ________, which are difficult to understand.
3. My letter is, of course, strictly private and ________.
4. Immigration is a ________ issue in many countries, which always causes disagreement among people.
5. The problems the President is facing are ________.