单项选择题

Settlers in the west used the Joshua tree for firewood and fences because （）

A．they thought the tree was useless
B．they thought the tree was going to die
C．they had changed their belief
D．they had no other ways to deal with their problems

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单项选择题

23（）

A．between
B．among
C．of
D．from

单项选择题

As Nick got off the bus, a man came up to him. This man （）

A．was a policeman
B．wanted to kill Nick
C．was Nick’s boss
D．wanted the envelope