【单选题】Learning disabilities are very common. They 【21】______ perhaps 10 percent of all children. Scientists now know there are many different kinds of learning disabilities and that they are 【22】______ by m...
【单选题】People can be addicted to different things-alcohol, drugs, even television. People who have such an addiction are (21) which means they have a very powerful psychological need that they feel they must...
【简答题】There are all kinds of machines. They 21 in many different ways. One kind of machine is called a computer. A computer can do many things. A computer can do math problems. People can also do math probl...
【单选题】Mr. Brown worked at a big company. He went to work by【21】. One day when he was standing at the bus-stop, he noticed cars go【22】. Many of the cars were new Crown 90Os, and most of them were black. Mr. ...
【简答题】Many people think that Americans 21 their cars almost more than anything else. When 22__ people are four years old, they want to have their __23_ cars. They don’t ask for a car from their 24__ . S...