第4题: [单项选择]According to the spokesman, a band of these tiny American discounters will be ______. A. prosperous B. limited to an extent C. short-lived 参考答案:C 答案解析:根据这位发言人的观点,他认为此类的廉价小公司都是短命的。(Today’s small discounters may be short-lived)
第24题:[多选题]关于三相组式变压器,说法正确的有(____)。 A. 由三台完全相同的单相变压器组成 B. 各相磁路彼此独立 C. 各相主磁通均以各自的铁芯为磁路 D. 当三相绕组接三相对称电压源时,各相主磁路和励磁电流也是对称的 参考答案:ABCD
第25题: [单项选择]How long does the man have to wait for the text train A. He can speak several languages. B. He cannot speak several languages. C. He likes foreign languages. D. He is good at speaking languages. 参考答案:B 答案解析:[听力原文] W: Having visited so many different countries, you must be able to speak several different