276.
M: It is boiling today, isn't it?
W: Yes, it's very hot and stuffy（闷的）.
M: It's been looking like rain for several days. But it hasn't rained yet.
W: There are thick black clouds in the sky now. It looks as if a thunder storm is coming.
M: The wind is rising.
W: It's a bit windy. But I like the breeze.
M: It's beginning to sprinkle.
W: The weatherman says some showers are expected this afternoon.
M: It's turning warmer, isn't it?
W: Yes, the temperature is going up today. It has climbed to 36℃.
M: After a heavy rain, the temperature should drop a lot.
W: Yes, there will be a cool day tomorrow.

答案解析：
(1) 正确答案为A。根据There are thick black clouds in the sky now.现在天上乌云密布。可知，最近天气是多云，因此A项正确。
(2) 正确答案为A。根据The weatherman says some showers are expected this afternoon.天气预报员说下午将有阵雨。可知，下午将会出现阵雨，因此A项正确。