多选题 A cool mass of air heads toward the United States from the upper regions of Canada and Alaska this week according to the National Weather Service.
According to the NWS a mass of cold air will drop from the Arctic regions to Canada and then the upper Midwest next week.
Temperatures across the Midwest will drop into the 60s and 70s-a sharp difference from the 80 degree and 90 degree temperatures from recent weeks.
And the relatively cooler air may be felt as far East as New York and WashingtonThe cool breezes may be a welcome relief this time around but remember the last few times we got hit with Arctic air？
Temperatures in cities including Chicago Cleveland New York and Louisville fell into single-digit and negative territory for long stretches during the harsh winter months of early 2014.But we’re sure you rememberAccording to the passage, what happened in early 2014?

A、 Temperatures in the U.S fell into negative territory
B、 People welcomed cool breezes in the U.S
C、 Harsh winter struck in some cities of the U.S
D、 Arctic air hit the U.S for a few times

【正确答案】 D

【答案解析】细节题。根据文段定位到的“Temperatures across the Midwest will drop into the 60s and 70s-a sharp difference from the 80 degree and 90 degree temperatures from recent weeks”。我们从该句中可得知最近几周温度在80-90，因此答案选D。A项大约在60-70左右，这个温度是未来预计的温度。B项在60-90之间，不正确。C项在60之下。因此答案选D。