Stronger than FM radio signals, these RF waves are still a billionth the intensity of known carcinogenic radiation like X-rays.本句中 a billionth the intensity 这几个单词连用,比较奇怪,billionth为什么后面直接可以跟名词呢?请教老师了,谢...
_______ did you begin to study French? I ________ to study French when I was seven.A. When, begin B. When, began C. While, beginning D. While, was beginning.这个选什么?为什么?能分析下吗?谢谢!
Being able to communicate ideas in a meaningful way is a valuable
skill. There are many ways to express thoughts and ideas—music, acting,
drawing, building, photography. You may find that your child is attracted by
one more than another.这是2014年高考英语全国卷1七选五中的一个句...
Fifty years ago parents still asked boys if they wanted to grow up to be president, and asked it not jokingly but seriously. Many parents who were hardly more than paupers still believed their sons could do it. Abraham Lincoln had done it. We were only sixty-five years from Lincoln. Many a grandfath...