2012高二英语：unit 4 science of the stars同步单元复习测试 新人教版必修3. 第一部分：单项选择（共15 小题；每小题1分，满分15分）从a、b、c、d四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 though great progress has been made in astronomy in the past fifty years, ______ still much that remains mysterious to astronomers _______ the universe, even the solar system. a. it is; of b. there is; about c. it is; with d. there is; with 2. people in china ______ full freedom of religion but any religious group that is engaged ______ something illegal shall be dismissed
