赞题库-背景图
单项选择题

A．Environmental pollution and protection.
B．Taxes and services for the public.
C．Police efforts to protect people.
D．People’’s attitude toward taxes.
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单项选择题By saying My dog could tell the difference between bottled and tap water (Lines 3-4, Para. 2), von Wiesenberger wants to convey the message that________.

A．plain tap water is certainly unfit for drinking
B．bottled water is clearly superior to tap water
C．bottled water often appeals more to dogs’’ taste
D．dogs can usually detect a fine difference in taste

单项选择题A．He will only be available in the afternoon.B．It’’s not his office hour.C．He doesn’’t have time.D．He is too tired after class.

A．He will only be available in the afternoon.
B．It’’s not his office hour.
C．He doesn’’t have time.
D．He is too tired after class.