【单选题】When we want to【41】other people what we think, we can do it not only with the help of words, but also in many【42】ways. For example, we sometimes move our heads【43】when we want to say 'yes' , and we mo...
【简答题】阅读理解。 When we can see well, we do not think about our eyes often. It is only when we can not see perfectly that we come to see how important our eyes are. People who are nearsighted can only see thing...