18. Which of the following statements concerning cargo is CORRECT? ____
举一反三
- Concerning semicircular canal, which of the following statements is correct?
- Each of the following statements concerning the killing of bacteria is correct EXCEPT
- Concerning the E.U.，which of the following statements is wrong？（）
- Which of the following statements concerning handshaking is not right?
- Which of the following statements is true concerning an oil cooler?（）