单项选择题

What does the speaker say about diamonds

A．They can be easily damaged.
B．They are formed with great volcanic heat and pressure.
C．They are brought up to the surface by earthquakes.
D．They can be found everywhere.
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单项选择题
Why 1s part of the bark cut away
A．To clear up the eggs of insects.
B．To help trees deliver water.
C．To look for the signs of insects.
D．To prepare for cutting down trees.
单项选择题
A．He came a long way to meet the woman.B．He showed her to where she was looking for.C．He took her to visit an interesting community.D．He gave her advice to overcome the difficulty.
A．He came a long way to meet the woman.
B．He showed her to where she was looking for.
C．He took her to visit an interesting community.
D．He gave her advice to overcome the difficulty.
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