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 waves on the ocean.
<上一题 目录 下一题>
热门 试题

单项选择题
A. Earn money to pay the rent. B. Buy furniture for the apartments. C. Sign a housing contract. D. Earn money to buy a car.
A. Earn money to pay the rent.
B. Buy furniture for the apartments.
C. Sign a housing contract.
D. Earn money to buy a car.
单项选择题
A. Announce appeals for public service. B. Hold a charity concert to raise money. C. Ask the school radio station for help. D. Pool money to fund the radio station.
A. Announce appeals for public service.
B. Hold a charity concert to raise money.
C. Ask the school radio station for help.
D. Pool money to fund the radio station.
相关试题