高程控制点的加密可以采用（）等方法 A.极坐标测量 B.水准测量_爱下问搜题

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问题多项选择题

高程控制点的加密可以采用（）等方法

A.极坐标测量

B.水准测量

C.前方交会

D.三角高程测量

E.GPS测量

答案

参考答案：B, D, E

完形填空

完形填空。

     Look at this girl in the picture, she is  1 good friend.  2 name is Lily. She is  3 . She is thirteen. This
is me. My  4 is Li Ling. I'm a Chinese girl. I am one year younger than Lily. We are  5 the same class.
     Lily likes collecting sports things. She  6 a great sports collection. Look, these are her things. She has
10 tennis rackets, 8 baseballs, 6 basketballs, 12 soccers  7 18 volleyballs. But she  8 sports. He  9 likes
collecting sports things. Her brother, David, likes soccer. He plays  10 every day with his friends.

( )1. A. I
( )2. A. She
( )3. A. an English
( )4. A. friend
( )5. A. in
( )6. A. is
( )7. A. and
( )8. A. don't  like
( )9. A. no
( )10. A. football

B. me
B. Her
B. English girl
B. father
B. at
B. are
B. or
B. isn't  like
B. not
B. basketball

C. my
C. My
C. English
C. mother
C. on
C. has
C. but
C. doesn't like
C. many
C. baseball

D. a
D. His
D. England
D. name
D. for
D. have
D. /
D. am not like
D. only
D. ping pong

填空题

一次数学测试中，一组同学的成绩如下（单位：分）：88，100，78，94，94，98，91，这组数据的中位数是______，平均数是______，众数是______．