题目

1.The famous professor will give us a l______ in the classroom. 2. The c______ of experiment is that iron doesn’t rust in dry air. 3. I will really a______ it if you can come by yourself. 4. Every year, more than 1 million t______ pay a visit to the Sun Ireland. 5.The sun is the major s______ of energy for our planet. 6.At the moment, about 80 percent of web traffic is in English, but this p_____ is going down. 7.All the children want to be i______. But at last they still have to rely on their parents. 8A CD-ROM is a separate disk that c______ lots of information. 9.Our car had a b______欧洲西部的工业以 为主，从事 产业的人口比例很高．