施工单位承接业务的主要方式是()
A.通过投标而中标
B.国家或上级主管部门直接下达
C.受建设单位委托
参考答案：A
根据句意或首字母填入所缺单词。
1. Cars arc s______ than bikes. And they are also f______ than bikes and buscs.
2. He can run very f______.
3. Don't worry! This place is very s______.
4. There are too many p______ at the train station every day.
5. When you are in d______, please keep calm.
女性病人，30岁。因急性肠梗阻频繁呕吐，出现口渴、尿少、口唇黏膜干燥、眼窝凹陷、血压偏低。
初步判断该病人出现了
A．高渗性脱水
B．原发性脱水
C．低渗性脱水
D．继发性脱水
E．等渗性脱水
