完形填空。 My name is Peter. I’m a boy 1 England. Welcome to my family. Here is a 2 of my family. We all live in Beijing now. The old man is my grandfather. He is a farmer. And the old
（本小题12分）已知函数，. 当时，解不等式; 当，且时，总有恒成立，求的取值范围.
—I’m going to Hawaii with my aunt this month for my holiday. —_____! A. Have a good time B. Best wishes to them C. Thand
下列各组离子在给定条件下能大量共存的是（ ） A. 在pH＝1溶液中：NH4+、K＋、ClO-、Cl- B. 有SO42—存在的溶液中：Na＋、Mg2＋、Ca2＋、I- C. 有NO3—存在
观察图片，下列按图片顺序对应的信息，不准确的一组是 A.颁布于1912年、1949年、1954年 B.由南京临时政府参议院、新政协、全国人大制定 C.体现资产阶
I'm sorry you've missed the train, It______10 minutes ago. A. left B. has left C. had left
Music is , and I like my music teacher, too. He’s . A. interesting; fun B. boring; tall C. difficult; old
，则C与极轴的交点