初产母猪感染猪细小病毒后，主要临床症状是( )。

A．腹泻

B．繁殖障碍

C．呼吸困难

D．神经症状

E．运动失调

请认真阅读下面对话，并根据所给首字母写出一个合适的英语单词，使对话通顺。

W: Oh, so many people!  1.  E_______me, could you please help me with this bag?

M: 2.C_______.You look a bit tired.  Here, please take my 3.s_______

W:  That's very kind of you.  I'm not 4.  f _______well now.  I think I have a bit of cold.

Could you please tell me when we 5.  r ________ Long Street? I'm 6.  a _______I can't

see where we are because the bus is 7.  f _______of people.

M:  Sure.  I'll let you 8.  k_______ when we get there.

W: Thank you.

(Now the bus comes to Long Street.)

M:  Here is Long Street.  9.  S_______ I help you with the bag?

W:  No,  thanks .I can do it 10.  m_______.  You are really kind to help me all the way.

     Thanks a lot.

M: Not at all.