单项选择题

According to the passage, mailsters were likely to tip over because______.

A．even large dogs could cause this to happen
B．they had 3 wheels
C．the mail could shift in the van when cornering over 25 mph
D．of cars lined up behind them

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单项选择题

What does the passage mainly discuss

A．The prevention of illness through exercise and nutrition.
B．The German and Christian influences on nutrition and physical fitness.
C．Development of the physical fitness movement.
D．The nutrition and physical fitness movements.

单项选择题

It can be inferred from the passage that the Turnverein were______.

A．later named Turners because it was too difficult to pronounce
B．successful in mid-west
C．limited to Germans
D．not popular with many non-Germans because they celebrated German culture