C
题意:
哪一个是正确的?
A.今天悉尼很冷。
B.伦敦整天阳光明媚,温暖宜人。
C.世界各地的天气真的不一样。
根据第一段Weather is really different around the world .(世界各地的天气都不一样。)可知,世界各地的天气确实不同。故选C。
根据最后一段,第一句In Sydney, it's cool and cloudy in the morning. (在悉尼,早晨天气凉爽多云。)和第三句But it's warm at noon. (但是中午很暖和。)可知,悉尼并不冷,A选项错误。
根据第三段The weather in London is usually changeable. In the morning, it's sunny and warm. You can fly kites outside. But later, it's windy and cloudy. In the afternoon, it's rainy. So you must take an umbrella with you when you go outside.(伦敦的天气通常多变。早上,阳光明媚,天气温暖。你可以在外面放风筝。但后来,刮风多云。下午,下雨了。所以你出去的时候一定要带把伞。)可知,伦敦天气多变,并不是整天阳光明媚,B选项错误。