Ms. Zhao
举一反三
- Which of the following statements is true?______ A: Mr. Smith wants to buy building materials fromMs. Zhao. B: This is the second time Ms. Zhao made an orderfrom Mr. Smith. C: Ms. Zhao wants the cement in bulk. D: They make a deal finally.
- What did Mr. Smith show to Ms. Zhao? _______. A: His business card. B: Brochures. C: Technical documents. D: A catalog.
- Ms. Jones isn’t as nice ______ Ms Smith. A: as B: for C: like D: to
- Hello, may I speak to Zhao Hua?-________ A: My name is Zhao Hua B: I'm Zhao Hua C: This is Zhao Hua speaking D: Zhao Hua is me
- 某PWM调速系统，开关频率为10KHZ，则失控时间Ts=_MS，开关频率为8KHZ，则失控时间Ts=_MS.