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．She wants her friends to lose weight too.B．She wants her friends to do exercises with her.C．She wants her friends to eat poor foods with her.D．She needs her friends’ support and help with her problems.
A．She wants her friends to lose weight too.
B．She wants her friends to do exercises with her.
C．She wants her friends to eat poor foods with her.
D．She needs her friends’ support and help with her problems.
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