Reference answer to liberal arts mathematics

First, multiple-choice questions: This big question is a small question of *** 10, with 5 points for each small question and 50 points for * * *. Of the four options given in each question, only one meets the requirements of the topic.

1.B. Analysis:

The imaginary part is-1, so choose B.

2.B analysis:

∴

therefore

, so choose B.

3.C。

Analysis:

a

b

,〈

A, b

〉

, so choose C.

4.A

Analysis:

Increase r, Ⅷ

>

, so choose a.

5.d. analysis: the center of the circle c (3 3,0),

, ∴MN equation is

that is

, so choose D.

6.B。

Analysis:

order

get

,∴

, so choose B.

7.C。

Analysis:

,∴

, so choose C.

Anhui Province "Jiangnan Ten Schools" 20 1 1 Senior Three Entrance Examination (6 books in 9 subjects)

/gkzx/ztxz/20 1 10307/52858997378 . html