单项选择题

A．To determine whether the Earth’s temperature is going up.
B．To study the behavior of some sea animals.
C．To measure the depths of the ocean.
D．To measure the movement of the ocean.
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单项选择题
A．It has several scratches in it.B．It can’t be opened in a normal way.C．The door handle is missing.D．It can’t be opened at all.
A．It has several scratches in it.
B．It can’t be opened in a normal way.
C．The door handle is missing.
D．It can’t be opened at all.
单项选择题
A．It makes one likely to ignore how other things are going on.B．It doesn’t help one lose weight.C．It does harm to one’s health.D．It prevents one from achieving his or her goal.
A．It makes one likely to ignore how other things are going on.
B．It doesn’t help one lose weight.
C．It does harm to one’s health.
D．It prevents one from achieving his or her goal.
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