新型互联网服务工具不包括以下哪个？（）
A.微博客服
B.微信客服
C.E-mail客服
D.电话客服
参考答案：D
-------I heard that Tom failed in the driving test again .
------Just his luck ,_____
A He has to face the fatted calf
B He has to face the music
C He must be the apple of his parents' eye
D He must be a black sheep
外油式波纹储油柜注油时，应该首先是定油位，然后是保持呼吸口阀门（），排气口阀门（）的状态。
A.打开，打开
B.打开，关闭
C.关闭，打开
D.关闭，关闭
