进入客户的房屋时若房门处于开着的状态，可以直接进入房屋，以提高效率。
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神志异常包括烦躁不安神昏谵语、（）、神志昏蒙、神志如狂、神情呆钝等。
Lube oil cannot be efficiently filtered if its （）.
A. viscosity is too low
B. temperature is too low
C. pump discharge pressure is higher than the systems pressure
D. pump capacity is greater than the systems need
I have an appointment with Dr. Johnson. --（）
A. The appointment is put off
B. You look sick and weak
C. Please wait for minute. He is busy now
D. Tell me your ID number
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