题目

完形填空阅读下面的短文，从文后各题所给的A、B、C、D四个选项中，选择最佳选项。Each year, thousands of Chinese middle school students go to study in foreign countries such as the US, the UK, Australia and Japan.    “Chinese children hope very much to go   1   to get a wider view (视野) of the world.” said Chen Yi, a Chinese writer who has lived in America for 16 years. In a talk Chen told more than 300 parents and their children that life in foreign countries can be   2   for young people. “They have to meet a culture shock and language probl12．已知反应：Fe2O3+3CO═2Fe+3CO2（1）该反应中的还原剂是CO（2）该反应中，发生还原反应的过程是Fe2O3→Fe．（3）在反应方程式中标明电子转移的方向和数目（双线桥）（4）如反应中转移了0.3mol电子，则产生的气体在标准状况下体积为3.36L．