Books are to mankind what memory is to people They containthe stories of our race the discoveries we have made and the experiences ofages They picture the wonders and beauties of nature for us, help u
（3）已知集合A＝{x|x＜a}，B＝{x|1＜x＜2}，且=R，则实数a的取值范围是A B a＜1 C a2 D a＞2
右图漫画题为《片面的经济》，反映了20世纪三十年代苏联的 国民经济状况。该状况是（ ） A、国民经济比例失调 B、经济出现重大
Would you mind ______ those old jeans? A. don’t wear B. not to wear C. aren’t wearing D. not wearing
故宫里有一块牌匾上写着“中正仁和”，其中“仁”的思想来自于 A．道家 B．儒家 C．法家
The government will begin a series of_____ to help the public fully understand the new educational system． A．applications B．Presentations C．traditions
—You didn’t invite Anna? —_________her, too? A．Should I have invited B．Must I have invited C．Must I invite D．Should
