下列关于洋流运动方向的叙述，正确的是（ ）
A．北半球中低纬度海区的大洋环流为逆时针方向
B．北半球中高纬度海区的大洋环流为顺时针方向
C．南半球中低纬度海区的大洋环流为逆时针方向
D．南半球中高纬度海区的大洋环流为逆时针方向
答案：C
北半球中低纬度海区的大洋环流为顺时针方向；北半球中高纬度海区的大洋环流为逆时针方向；南半球中低纬度海区的大洋环流为逆时针方向。
| 用方框中所给单词或词组的适当形式填空，每个词限用一次。 | |
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| 1. We went for a walk __________ the river yesterday evening. 2. The Browns are going to celebrate their daughter's ________ birthday. 3. Watching a football match can make people feel _________ . 4. There's a strange _________ in the house, maybe something burnt. 5. His father always ____________ home at 5:00 pm . |