月经血的特点除外（ ） 
A、鲜红色
B、不凝固
C、一般30-50ml
D、碱性
E、主要是血液

Which one of the following items is related to Chinese ...

单项选择题Which one of the following items is related to Chinese thinking?
A、worship God
B、prefer to talking about present 
C、 ancient philosophers had a strong interest in public speech
D、worship ancestors

要使得热流体的出口温度不低于冷流体的出口温度，要采用什么操作才能达到要求（ ）‍A．错流 B．逆流 C．折流 ...

单项选择题 要使得热流体的出口温度不低于冷流体的出口温度，要采用什么操作才能达到要求（ ）‍

We need to keep our notes organized and neat, or it wil...

不定项选择 We need to keep our notes organized and neat, or it will be difficult to review important information from the notes.