驾驶机动车倒车时,要察明车后情况,确认安全后倒车。
参考答案:对
— Is there a table for 4, please?
— _________, please. Is the one near the back door OK?
A.You’re welcome
B.That’s all right
C.This way
D.After you
卫氏并殖吸虫病的主要传染源是
A.病猫
B.病犬
C.病禽
D.病猪
E.患者