下面的运输方式中，适合于大批量、长距离、较低运费、低风险客货运的是( )。
A．铁路运输
B．公路运输
C．航空运输
D．水运
参考答案：A
根据首字母提示写单词，使句意完整、正确。
1. — Which s___________ do you like best?
— I like fall best.
2. Mike is very g___________ to see his old classmates.
3. Ben is good at r___________. He runs faster than his classmates.
4. It's hot now. Let's s___________ in the lake.
5. I'm from PRC. I'm C___________.
腹痛患者在未明确诊断之前，以下处理不正确的是（）
A.禁饮食
B.禁服泻药
C.禁止灌肠
D.止痛
E.抗感染
