[单项选择]When snow (collects) on top of a building during the winter, the weight sometimes weakens the construction and occasionally causes the roof to collapse.
A. selects
B. scatters
C. melts
D. accumulates

[单项选择]When snow (collects) on top of a building during the winter, the weight sometimes weakens the construction and occasionally causes the roof to collapse.
A. selects
B. scatters
C. melts
D. accumulates

[单项选择]When snow accumulates on top of a building during the winter, the weight sometimes weakens the construction and occasionally causes the roof to collapse.
A. melts
B. collects
C. selects
D. scatters

[单项选择]When the snow came down in Shanghai just after Christmas, the students in my school went out to play. For many of them it was a day of firsts: the first snow they had seen, the first opportunity for snowball fights and the first chance at trying to build a snowman. But it was a modest (不太大的) snowfall and a couple of days later it was all just a happy memory. In Canada, where I come from, when the snow arrives, it stays. In parts of Canada you can expect the first snowfall in November and there is a good chance that snow will still be on the ground in March.
With such a long winter, Canadians have found ways to enjoy the cold and the snow and, at this time of year when China is preparing for Spring Festival, Canadian cities are preparing for their winter carnivals (狂欢节). Most cities have them but the biggest and the most famous is the Quebec Winter Carnival which, this year, is celebrating its 50th anniversary. From January 28 to February 13 the people of Quebec City and tens of th

[单项选择]TEXT B I know when the snow melts and the first robins (知更鸟) come to call, when the laughter of children returns to the parks and playgrounds, something wonderful is about to happen. Spring cleaning. I’ll admit spring cleaning is a difficult notion for modern .families to grasp. Today’s busy families hardly have time to load the dishwasher, much less clean the doormat. Asking the family to spend the weekend collecting winter dog piles from the melting snow in the backyard is like announcing there will be no more Wi-Fi. It interrupts the natural order. "Honey, what say we spend the weekend beating the rugs, sorting through the boxes in the basement and painting our bedroom a nice lemony yellow " I say. "Can we at least wait until the NBA matches are over " my husband answers. But I tell my family, spring cleaning can’t wait. The temperature has risen just enough to melt snow but not enough for Little League practice to start. Some flowers are peeking out of the thawing ground, but
A. is no longer an easy practice to understand.
B. is no longer part of modern family life.
C. requires more family members to be involved
D. calls for more complicated skills and knowledge.

[简答题]S3. When was "Snow Wolf Lake" first put on

[填空题]It was during the period when Einstein was studying for his doctorate that he began his______.