【简答题】Today there are 6 billion people on the earth. By the year 2050 there may be 12.5 billion. This is a lot of people to feed. We need more food. One way to produce more food is by growing stronger plant...
【简答题】A young officer was teaching some old soldiers. They had been in the army for many years and did not like officers, young or old. They did not think this young officer could tell them anything about h...
【简答题】CH Reading A Comprehension 2 Read or listen to the passage and answer the following questions. To entertain your targets successfully, you will need to plan carefully and in detail. First, you need to...
【简答题】听下面一段材料,回答第1-3题。 1. What was the weather like in the Caribbean? A. It was hot. B. It was warm. C. It was cool 2. What problem did the woman meet when she was traveling in the Caribbean? A. She had som...
【简答题】You're going to hear some sentences which can give you a picture of the changes in women's status in America over the years. Listen carefully and fill in the blanks with what you hear. on behalf of wo...
【单选题】Passage Three The war had begun, and George had joined the air force. He wanted to be a pilot and after some months he managed to get to the air force training school, where they taught pilots to fly'...