【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/29054A57C8A1152F3BBDFC85AD2D3773.png title=3-B.png alt=3-B.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/530C31B9C5F2D5E729D0C993EA392518.png title=3-1.png alt=3-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/EE210AAAF68D25578879441D490B9C75.png title=3-2.png alt=3-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/6A41DF8F868726C1D086AE343E4170EB.png title=3-3.png alt=3-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/D03DC6416924EDB67D8D6DDCD38F28E4.png title=3-4.png alt=3-4.png/>
【单选题】
对齐面板中，在不选中“相对于舞台”<img src=http://60.205.157.60/course/a@669893428DE3CDD903E5E77FF027303D.png title=image057.png alt=image057.png/>按钮的情况下， ( )，可以将如图所示左边的图像变为右边的效果<img src=http://60.205.157.60/course/a@A2D07CF69A612F8CE6844C9885512446.png style=float: left; title=image067.png/><img src=http://60.205.157.60/course/a@374E89AB229B4D4ACDCD90985CA87E5E.png style= title=image069.png/>
①
同时选中两个矩形，然后在“对齐”面板中，单击“左对齐”<img src=http://60.205.157.60/course/a@02EF542AE120E20E0FA4EDEB7DA32AA6.png title=image059.png alt=image059.png/>按钮
②
同时选中两个矩形，然后在“对齐”面板中，单击“水平中齐”<img src=http://60.205.157.60/course/a@A9AC65EAE8179790A527B2B1FE8CE846.png title=image061.png alt=image061.png/>按钮
③
同时选中两个矩形，然后在“对齐”面板中，单击“右对齐”<img src=http://60.205.157.60/course/a@A80C05E2CADF8C56D84F630B0028018E.png title=image063.png alt=image063.png/>按钮
④
同时选中两个矩形，然后在“对齐”面板中，单击“垂直中齐”<img src=http://60.205.157.60/course/a@9D09E78F9228D1260873F9107511F071.png title=image065.png alt=image065.png/>按钮
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/8469F0490B1A602766319D309B67E10C.png title=HH)8SMAWL]IZ6{W9I`IS}}3.png alt=HH)8SMAWL]IZ6{W9I`IS}}3.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/3102FDD7D2C9AF05929C322FE5DC3C9F.png title=_][P{N85~1J$XNX0_1W]M_R.png alt=_][P{N85~1J$XNX0_1W]M_R.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/0981EB8EFC562DF5FC087E05C5E0B6FB.png title=MG~$HDL9W8P8QXJEA~GUR$L.png alt=MG~$HDL9W8P8QXJEA~GUR$L.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1A9C72E5973D5B0F3A35F5D418737592.png title=WBDJIMWQ$4}8~E]R7ZV8}ME.png alt=WBDJIMWQ$4}8~E]R7ZV8}ME.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/234086F0071BF725E142475AF4608756.png title=U7G@DJ$OQ(5TGDYX1O~}8F3.png alt=U7G@DJ$OQ(5TGDYX1O~}8F3.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4D0B81FF6F2BAF163846C83370B80D29.png title=3-B.png alt=3-B.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/6B08D76E02B40C006C521AAD9F10E693.png title=3-1.png alt=3-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/7A29EF34B726443C652B335E727D5C0B.png title=3-2.png alt=3-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/ACA7BCB0834A1CDCA66D724096F38D7B.png title=3-3.png alt=3-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/3694E07EAE8C054328B07C91BFD93AA9.png title=3-4.png alt=3-4.png/>
【单选题】
设<img src=https://huaweicloudobs.ahjxjy.cn/4E632EF368D437F410E982D60D27DC78.png title=%9ZY4J%B~2]~KRXLG)%CI)3.png alt=%9ZY4J%B~2]~KRXLG)%CI)3.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E03A1BB211A86B9754B080EF4B6C5719.png title=()O[UBBWN27J5`DWGYXRFK4.png alt=()O[UBBWN27J5`DWGYXRFK4.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/9F6AF200C34C00EAD15099E1035BC494.png title=]95`J9TCE3%U3[M$~WMIWI6.png alt=]95`J9TCE3%U3[M$~WMIWI6.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1EA96BB7BEC00C032EEE6D68C423F15B.png title=B65WPZ{53XYLP_E)TQ](VPC.png alt=B65WPZ{53XYLP_E)TQ](VPC.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/BD16D60F04D307770A0B2ACEC23D45F6.png title=RA%ELZSKA`E7TN70K(A02XC.png alt=RA%ELZSKA`E7TN70K(A02XC.png/>
【单选题】
<img src="20190808/1565258038310996.png" title="1565258038310996.png" alt="3.png"/>（ ）
①
4
②
7
③
6
④
5
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/00203FA14CF9A045163CA865FAFD9F44.png title=3.png alt=3.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/16BB67CBEEB21D86E9D4E7E0EDA9A34D.png title=3-1.png alt=3-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/79F4B035C8DCC38B39B778AD0DC5E808.png title=3-2.png alt=3-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B612401B97066F5A9CC6DBEE9747DB4D.png title=3-3.png alt=3-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5512759BB58DEE53722D3A5CBC8F932C.png title=3-4.png alt=3-4.png/>
【简答题】
用消元法解线性方程组<img src="https://huaweicloudobs.ahjxjy.cn/6905AFAB250E737807C46925B1AAAAA7.png" title="3.png" alt="3.png"/><img src="https://huaweicloudobs.ahjxjy.cn/7431B7E8919E06BBA67328C631475CE4.png" title="x1.png" alt="x1.png"/>[填空1]，<img src="https://huaweicloudobs.ahjxjy.cn/9EC7EF50C7C734EA70834C00143C7E66.png" title="x2.png" alt="x2.png"/>[填空2]，<img src="https://huaweicloudobs.ahjxjy.cn/8FEE7AAB6ED3CB1B2BAC443126B1F165.png" title="x3.png" alt="x3.png"/>[填空3]。
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/3C694B829313D8562633C63170D78F8E.png title=17.png alt=17.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/7C74ABA7AB43962FC1B278A7E1A75FB1.png title=17-1.png alt=17-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/66DA6A5A9E5B3228F852A0296D816532.png title=17-2.png alt=17-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/109087FF7A765F693965EE38BF4FAA99.png title=17-3.png alt=17-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7B2485E8F4CE6B46B67B654CA4AA87A7.png title=17-4.png alt=17-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/1043F56B7B6FEE58E36664B3C434CBD9.png title=25.png alt=25.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/5D93FFD211CF04FEF727124912A57A0C.png title=25-1.png alt=25-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/C2720BEC953E6E536A35A4EB2AAA724D.png title=25-2.png alt=25-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F3BB6FD51B5FC76AA8F96BA0FDF3679A.png title=25-3.png alt=25-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/BE653FA641A70D31B4293584DF8A26E0.png title=25-4.png alt=25-4.png/>
