A.unbelief B.control

C.inquiry D.observation

答案与解析：D　词义猜测题。由上题可知private与not open to public scrutiny 同义，由此可推知此题答案为D。

4.The main idea of the passage is that ________.

A.reading is more complicated than believable

B.reading ability is something gained rather than taught

C.teachers should encourage students to read as widely as possible

D.teachers should do as little as possible in helping students learn to read

答案与解析：B　主旨大意题。文章第一段第二句为主旨句，由此可推知答案为B。

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