MARK THE LETTER A, B, C, OR D ON YOUR ANSWER SHEET TO INDICATE THE SENTENCE THAT IS CLOSEST IN MEANING TO THE FOLLOWING QUESTION

Câu 30: Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to the following question. Mike no longer swims as well as he used to. A. Mike didn’t use to swim as well B. Mike swims better now. C. Mike used to swim better than he does now. D. Mike used to swim as well as he does now. Đọc và trả lời các câu hỏi từ câu 31 đến câu 35 Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions. The computer age is producing an army of robots - machines which are directed by electronic brains and which replace human labour in industrial operations. Many of them are artificial arms which reach into areas man enters only at his peril, such as the inside of a nuclear reactor. Already in 2000 there were 90,000 such robots working in industrial plants throughout the world. The big change over to robots, however, is likely to come only when their costs go down while worker’s wages continue to rise.