患者女性，21岁。现支气管哮喘急性发作，应采取（）。
A.去枕仰卧位
B.屈膝仰卧位
C.中凹卧位
D.侧卧位
E.端坐卧位
参考答案：E
调查中常见的5种偏性(系统误差)不包括
A．无应答偏性
B．回忆偏性
C．信息偏性
D．选择性偏性
E．受检者偏性
It was so noisy in the dining room that only by shouting ____ to make himself heard.
A．he has been able
B．has he been able
C．was he able
D．he was able
