⑴ ____                    A. I like Chinese.

⑵ ____                    B. The turtle has four legs.

⑶ ____                 C. The birthday cake is beautiful.

⑷ ____                  D. This is my basketball.

⑸ ____                E. Touch your nose.

学校买来篮球和足球各5个，买篮球共用去124元，买足球共用去153元，一个足球比一个篮球贵（   ）

    Now Ann is in the street. She wants to go to the post office. But she doesn't know how to go there.

Ann: Excuse me. Is there a post office near here?

The man: Yes, there is.

Ann: How can I get to the post office?

The man: Go straight and then turn right at the traffic lights. You can see the post office. It is near the library.

Ann: Is it on the left or on the right of the library?

The man: It is on the left.

Ann: Thanks very much.

The man: You are welcome.

(1)已知p³＋q³＝2，求证p＋q≤2.用反证法证明时，可假设p＋q≥2.   (2)已知a，b∈R，|a|＋|b|＜1，求证方程x²＋ax＋b＝0的两根的绝对值都小于1.用反证法证明时可假设方程有一根x₁的绝对值大于或等于1，即假设|x₁|≥1.以下结论正确的是(    )