It is Saturday morning. Mrs. Black and her daughter Kate go to the bookshop near their house. Mrs. Black wants to buy some picture books for her grandson. Kate wants to buy some storybooks. In the bookshop Kate meets her old classmate, Sue. They are good friends. They talk and talk for a long time and forge to buy books. At twelve o'clock Mrs. Black finds them and asks Sue to go and have lunch in their house, Sue says: “Yes.” The two girls are very happy.

下列计算结果正确的是（　　）

①f（x）= $\sqrt{-2x^3}$ 与g（x）=x $\sqrt{-2x}$

②f（x）=|x|与g（x）= $\sqrt[3]{x^3}$

③f（x）=x⁰与g（x）= $\frac{1}{x^0}$

④f（x）=x²﹣2x﹣1与g（t）=t²﹣2t﹣1．

2012年10月11日，瑞典文学院揭晓今年的诺贝尔文学奖由中国作家______获得，他成为第一个获得诺贝尔文学奖的中国人。（   ）                                      

选出下列说法错误的一项是（    ）。