It is only with the help of scientific research ___ bring PM1 air pollution under control.
举一反三
- The man on the radio said that two hours earlier the forest fire _________________ (bring) under control.
- Which of the following descriptions is wrong about the control of an air conditioner?_____ A: The control position can be divided into remote control and local control. B: In local control, the automatic control system also needs to work. C: If the remote control doesn't work, the air conditioner won't work. D: In case of control system failure, manual control mode can be adopted.
- The accuracy of scientific observation and calculations is always at the mercy of the scientist's timekeeping methods. A: under the control of B: within the kindness of C: beyond the reach of D: out of the control of
- Lesson 5 Understanding Text A T or F -3Air traffic control units only specialize in providing air traffic control services.
- As the academic leader of the scientific research team and the person in charge of the scientific research institution, it is necessary to pay attention to the important content of () and other scientific research strategies. A: planning and organization of research work B: organization and coordination of scientific research team C: planning and holding of academic conferences D: operation and maintenance of scientific research assets