When we say “Chinese spring festival”, we can think of get—together and reunion. But one very ____ (interest) thing is the people who ____ (real) want to get home quickly are here and there. We can see from TV and newspapers that the bus and railway stations are ____(crowd) with people.

    You might ask why people are ____ hurry（匆忙的） to get home. One of the main ____ (reason) is the spring festival is the most important festival for Chinese people and is the time when all family members get together, just like Christmas in the West. They can sit____ table or around TV to chat, see all ____ (kind) of programs and enjoy the fantastic performances.

    Also, it is ____ (get) more and more popular to get lucky money from the old. It is the symbol ____ good luck at the beginning of a new year. So next time, dear kids, have a ____(try).

青岛崂山区位于山东半岛南部的黄海之滨，是中国种植茶叶的最北界。1957年在其山区进行“南茶北引”移植试验，成活率较低。由于种植技术不普及，1990年崂山茶种植面积仅60公顷左右。1997年政府制定扶持政策后，种植面积达800公顷。1997年后崂山茶种植面积显著增加的主要原因（     ）

①市场需求增大  ②政府扶持力度增大

③种植技术提高  ④交通条件改善

设$a={\log }_{2}3$，$b={\log }_{4}3$，$c=\frac{1}{2}$，则(    )