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【单选题】
若在MATLAB中已有语句a=sym(5); b=3; x=sym('b'),则以下叙述正确的是( )A.
a和x都是符号常量
B.
a和x都是符号变量
C.
a是符号常量，x是符号变量
D.
x是符号常量，a是符号变量
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举一反三
【多选题】实习期间考试答案填涂在答题卡上进行机改,为保证机改顺利进行,考生在填涂答题卡时个人信息要填写正确,以下哪些选项要填涂()
A.
姓名
B.
班级
C.
准考证号
D.
科目
E.
科目代码
【单选题】. 方先生, 42 岁。疑为甲状腺功能亢进,清晨起床前测得血压 146/88mmHg ,脉搏 106 次 / 分。判断该病人属于
A.
正常
B.
轻度甲亢
C.
中度甲亢
D.
重度甲亢
E.
甲状腺功能低下
【单选题】Task 2 Paul is talking with Linda about her start-up on phone. Listen to the conversation and choose the best answer to each question you hear. 3. A. She employed home-based staff. B. She changed her ...
A.
She employed home-based staff.
B.
She changed her garage into an office.
C.
She took on her co-workers as partners.
D.
She did most of her work at her ’s office.
【简答题】心绞痛最基本的病因是_________引起_________
【简答题】听下面一段材料，回答第1-3题。 1. Where does the woman keep her snakes? A. In a cage. B. In her garage. C. In her garden. 2. What does the woman keep snakes for? A. For fun. B. For meat. C. For sport. 3. What can w...
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