题目内容
（请给出正确答案）
A．Collecting objects on the beach.
B．Creating models of different shapes.
C．Mapping currents in the ocean.
D．Tracking water pollution.
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听力原文：M: Hey, Michelle. Look what I just found. Right here in the sand.
W: A piece of wood？ Oh. Driftwood. Interesting shape... Almost like some sort of modern sculpture.
M: Yeah. And feel how smooth it is.
W: Hmm, Must've been in the water a long time. It could've been drifting in the ocean currents for months, or even years.
M: In the currents？ Doesn't the wind just blow things around out there？
W: Well, sure. But the currents are always moving, too. Almost like rivers, but underwater rivers, flowing through the ocean.
M: So how do they find out where these currents go？ Stick a message in a bottle and throw it in the water？
W: Don't laugh. In fact, I was reading in a science magazine that oceanographers have released huge numbers of bottles into the ocean over the years. They wanted to map out where the currents would carry them.
M: Say, I'll bet-after they found out where all those bottles ended up-they could enter all that data in to a computer and make a pretty detailed model to... to show where the currents go.
W: In fact, they did. And they also found a neat way to test that model. There was a freighter carrying sneakers from a factory in Asia. It was caught in a big storm and thousands of pairs of sneakers got dumped in the Pacific Ocean.
M: Really？ What a waste!
W: Yeah. Turns out, though, that hundreds of these shoes started washing up on beaches somewhere near Seattle, just about where the computer models had predicted the currents would carry them.
M: Gee. You mean all that stuff I find on the beaches might be part of some big scientific experiment？ I thought it was all just trash!
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A．Collecting objects on the beach.
B．Creating computer models.
C．Mapping currents in the ocean.
D．Tracking water pollution.
A．Collecting information about the project.
B．Working on a cattle ranch.
C．Writing a paper about extinct animals.
D．Analyzing buffalo behavior.
What did Congress and the Obama administration do for slowing global warming？
A．Collecting the evidence of climate change.
B．Taking action to limit emissions which absorb heat.
C．Recording the highest temperature in a year.
D．Negotiating a new treaty for reducing the emissions.
The museum sends ______ porcelain objects to specialists to be restored.
A．feeble
B．foul
C．fitting
D．fragile
A．He suggests charging a heavier fee for dog ownership.
B．He strongly objects to raising large, fierce dogs.
C．He objects to raising dogs as pets in cities.
D．He demands the dog owners to take better control of their dogs.
Without air resistance, all objects would fall at the same speed ______ their weight.
A．regardless of
B．instead of
C．according
D．despite of
A.material objects
B.pictures
C.gestures
D.situations
A.objects to be treated
B.objects to being treated
C.objects of being treated
D.objects for being treated
