Step 4 Armed_with_your_list_of_questions,_you can now go to the nearest library or computer to begin your research. As you learn more about your subject, you'll probably discover some new questions. For example, you might discover that dinosaurs disappeared about 65 million years ago. Why? What happened? Asking new questions can help you research your subject more widely.
If you always find something interesting to research, take time to organize (组织) your thinking by asking good questions. And remember learning more always brings more questions.
21．The underlined phrase “curious about” means ________.
A. worried about
B. bored with
C. eager to learn about
D. ready to do
答案：C 词义猜测题。由语境“want to know more about it”以及“asking questions”可推测curious about 意为“对……好奇”而“急于去了解”。
22．When you do some research, you should take the following steps ________.
a. list what you want to know
b. choose a research subject
c. list what you already know
d. discover new questions
A. d, c, b, a B. a, d, c, b
C. b, c, a, d D. c, b, d, a
答案：C 细节理解题。综合短文的四个步骤，可以看出首先要选择一个研究课题，只有C项第一个步骤是此步骤。
