列符号表示中﹐哪些是正确的.（）

A .https://assets.asklib.com/images/image2/2017072115032936557.jpg B .https://assets.asklib.com/images/image2/2017072115033248583.jpg C .https://assets.asklib.com/images/image2/2017072115033662231.jpg D .https://assets.asklib.com/images/image2/2017072115033963278.jpg

A .https://assets.asklib.com/images/image2/201707211449324099.jpg B .https://assets.asklib.com/images/image2/20170721144949173.jpg C .https://assets.asklib.com/images/image2/2017072114500678859.jpg D .https://assets.asklib.com/images/image2/2017072114502813596.jpg

A . 飞行员 B . 签派员 C . 维修人员 D . 航务人员

A .https://assets.asklib.com/images/image2/2017072114531866328.jpg B .https://assets.asklib.com/images/image2/2017072114533211163.jpg C .https://assets.asklib.com/images/image2/2017072114534568917.jpg D .https://assets.asklib.com/images/image2/2017072114535963752.jpg

A .https://assets.asklib.com/images/image2/2017072114561637313.jpg B .https://assets.asklib.com/images/image2/201707211456301444.jpg C .https://assets.asklib.com/images/image2/2017072114564554551.jpg D .https://assets.asklib.com/images/image2/2017072114570038725.jpg

A .https://assets.asklib.com/images/image2/2017072114545148658.jpg B .https://assets.asklib.com/images/image2/2017072114550784785.jpg C .https://assets.asklib.com/images/image2/201707211455202376.jpg D .https://assets.asklib.com/images/image2/2017072114553414165.jpg

A .https://assets.asklib.com/images/image2/2017072115004464122.jpg B .https://assets.asklib.com/images/image2/2017072115010158853.jpg C .https://assets.asklib.com/images/image2/2017072115014171333.jpg D .https://assets.asklib.com/images/image2/2017072115020567686.jpg

A . 958 B . 9"8 C . 9.8S

A .https://assets.asklib.com/images/image2/2017072114574367165.jpg B .https://assets.asklib.com/images/image2/2017072114575868720.jpg C .https://assets.asklib.com/images/image2/2017072114581356428.jpg D .https://assets.asklib.com/images/image2/2017072114582940248.jpg

A . 七种标准项目符号 B . 自定义项目符号 C . 使用图形制作的项目符号 D . 使用【微软拼音输入法2.0】软键盘的特殊符号制作的项目符号

A .https://assets.asklib.com/images/image2/2017072114513717719.jpg B .https://assets.asklib.com/images/image2/201707211451538398.jpg C .https://assets.asklib.com/images/image2/2017072114520776285.jpg D .https://assets.asklib.com/images/image2/2017072114522672107.jpg

A . ＠ B . # C . $ D . %

A . ： B . $ C . = D . &am

A . A B . B C . C D . D

A . A、https://assets.asklib.com/psource/2015120414581674705.jpg B . B、https://assets.asklib.com/psource/2015120414582373804.jpg C . C、https://assets.asklib.com/psource/2015120414582896756.jpg D . D、https://assets.asklib.com/psource/2015120414583123262.jpg

A .https://assets.asklib.com/images/image2/2017072114591252536.jpg B .https://assets.asklib.com/images/image2/2017072114592865509.jpg C .https://assets.asklib.com/images/image2/20170721145941493.jpg D .https://assets.asklib.com/images/image2/2017072115000187380.jpg

A .https://assets.asklib.com/images/image2/2017072115042483913.jpg B .https://assets.asklib.com/images/image2/2017072115043719536.jpg C .https://assets.asklib.com/images/image2/2017072115045349265.jpg D .https://assets.asklib.com/images/image2/2017072115050719231.jpg

A．NM B．Nm C．mN D．N.m

B. C.0 D.？ 此题为多项选择题。

<img src='https://img2.soutiyun.com/shangxueba/ask/18576001-18579000/18576113/2015121511164650228.jpg' /> A．A B． B C． C D． D

A．A.米的表示符号M B．B.秒的表示符号S C．C.安培的表示符号a D．D.千克的表示符号kg

A．1s B．2d C．7p D．5f

A.y B.M C.D D.d 此题为多项选择题。