阅读理解（三）

How many documentaries are mentioned in the passage?

(题干同试题16)
Why haven’t beings from space visited us yet according to Shostak?

(题干同试题16)
Why was it hard to look for signs of intelligent life in the universe in the past?

阅读理解（二）

Seth Shostak and Alexandra Barnett are       .

(题干同试题11)
What does the writer think of her father after visiting him in Arizona?

(题干同试题11)
When the writer went out with her father for a walk on weekends she felt      .

阅读理解（一）

The father was unhappy with the writer because       .

(题干同试题11)
       likes playing computer games.

(题干同试题11)
Why does Jeff hope there is a big park in the neighborhood?

(题干同试题11)
Jeff wants to rent       .