答案：
第1空:
答案：
第1空:
A. 顺序结构
B. 条件结构和循环结构
C. 顺序结构和条件结构
D. 没有任何结构
A. 反射变换,伸压变换,切变都是初等变换
B. 若M,N互为逆矩阵,则MN=E
C. 任何矩阵都有逆矩阵
D. 反射变换矩阵都是自己的逆矩阵
A. ( INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/de6bd030da8ecfa5cfe147a1bcf6d6c7.png" ＼* MERGEFORMATINET )
( )
B. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/e7e235dde4a96da125d82b495895dee9.png" ＼* MERGEFORMATINET 
C. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/c0a1bab5a727ad41ec49329735bc2328.png" ＼* MERGEFORMATINET 
D. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/79578a445e01933c2208dd62fee408bc.png" ＼* MERGEFORMATINET 
与 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/59e46bd00e435458ab47fdc654d697e9.png" ＼* MERGEFORMATINET 
相似,求x,y的值A. x=1,y=4
B. x=1,y=-4
C. x=-1,y=-4
D. x=-1,y=4
A. 1
B. 2
C. 3
D. -1
A. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/8d20d56c6127cc96b7e82bf3b108e066.png" ＼* MERGEFORMATINET 
B. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/45716c0b86036041d966258ffc59f340.png" ＼* MERGEFORMATINET 
C. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/d44ccd518c7d8ce91bbdece690509d7a.png" ＼* MERGEFORMATINET 
D. INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/13176250575a997b8b0dfa7183b109eb.png" ＼* MERGEFORMATINET 
A. 顺序结构、条件结构、循环结构
B. 顺序结构、循环结构、模块结构
C. 顺序结构、模块结构、条件结构
D. 模块结构、条件结构、循环结构
