单项选择题

Chemists, physicists and mathematicians are ______ known as scientists.

A．collectively
B．alternatively
C．cognitively
D．exclusively
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单项选择题
The three disrespectful sons began to feel worried about the ultimate ______ of the family's property.
A．proposal
B．disposal
C．removal
D．salvation
单项选择题
How strange it is that the habit he developed in his childhood still ______ him.
A．takes to
B．clings to
C．attends to
D．adds to
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