• 2022-06-27 问题

    以下哪种情况应优先采取措施?() A: S=9,O=3,D=3 B: S=3,O=9,D=3 C: S=3,O=3,D=9

    以下哪种情况应优先采取措施?() A: S=9,O=3,D=3 B: S=3,O=9,D=3 C: S=3,O=3,D=9

  • 2022-10-26 问题

    以下哪种情况应优先采取措施___。 A: S=9、O=3、D=3 B: S=3、O=9、D=3 C: S=3、O=3、D=9 D: S=5、O=8、D=8

    以下哪种情况应优先采取措施___。 A: S=9、O=3、D=3 B: S=3、O=9、D=3 C: S=3、O=3、D=9 D: S=5、O=8、D=8

  • 2022-05-28 问题

    下面哪个是合法的序列化数据格式?() A: O:7:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";s:25;} B: O:7:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";i:25;} C: O:8:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";s:25;} D: O:8:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";i:25;}

    下面哪个是合法的序列化数据格式?() A: O:7:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";s:25;} B: O:7:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";i:25;} C: O:8:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";s:25;} D: O:8:"Student":2:{s:4:"name";s:4:"qian";s:3:"age";i:25;}

  • 2022-06-07 问题

    青书学堂: Let’s make it round 9 o’clock. ____________

    青书学堂: Let’s make it round 9 o’clock. ____________

  • 2022-06-07 问题

    What time is it now? 9 o'clock. A: It B: It's C: It is D: Its

    What time is it now? 9 o'clock. A: It B: It's C: It is D: Its

  • 2021-04-14 问题

    【单选题】在酸性条件下,KMnO 4 与S 2- 反应,正确的离子方程式是 ()。 A. MnO 4 - +S 2- +4H + =MnO 2 +S↓+2H 2 O B. 2MnO 4 - +5S 2- +16H + =2Mn 2+ +5S↓+8H 2 O C. MnO 4 - +S 2- +4H + =Mn 2+ +SO 2 ↑+2H 2 O D. 2MnO 4 - +S 2- +4H + =2MnO 4 - +SO 2 ↑+2H 2 O

    【单选题】在酸性条件下,KMnO 4 与S 2- 反应,正确的离子方程式是 ()。 A. MnO 4 - +S 2- +4H + =MnO 2 +S↓+2H 2 O B. 2MnO 4 - +5S 2- +16H + =2Mn 2+ +5S↓+8H 2 O C. MnO 4 - +S 2- +4H + =Mn 2+ +SO 2 ↑+2H 2 O D. 2MnO 4 - +S 2- +4H + =2MnO 4 - +SO 2 ↑+2H 2 O

  • 2021-04-14 问题

    He's worked here _______ 4 o'clock this afternoon.

    He's worked here _______ 4 o'clock this afternoon.

  • 2022-05-30 问题

    概念与名词解释[tex=5.429x1.286]A/LEYDoI3UkxtTBHyNLc7cx/s9TOYcmCe4o893AYfnU=[/tex]

    概念与名词解释[tex=5.429x1.286]A/LEYDoI3UkxtTBHyNLc7cx/s9TOYcmCe4o893AYfnU=[/tex]

  • 2022-06-09 问题

    测试导入多选题把正确答案的序号填写在括号中:A散的正确读音是1、sǎn,sàn 2、sān ,sā3、sán,sǎ 4、sà,sá ( )B倒的正确读音是1、dāo,dáo2、dǎo,dào3、diāo,diào4、duáo,duào ( )C背的正确读音是1、bài,bái2、béi,běi 3、bēi,bèi 4、bá,bé ( )D好的正确读音是1、há,hé 2、nǚ,nǔ 3、hāo,háo 4、hǎo,hào ( ) A: 选择1sǎn,sàn B: 选择2dǎo,dào C: 选择3bēi,bèi D: 选择4hǎo,hào

    测试导入多选题把正确答案的序号填写在括号中:A散的正确读音是1、sǎn,sàn 2、sān ,sā3、sán,sǎ 4、sà,sá ( )B倒的正确读音是1、dāo,dáo2、dǎo,dào3、diāo,diào4、duáo,duào ( )C背的正确读音是1、bài,bái2、béi,běi 3、bēi,bèi 4、bá,bé ( )D好的正确读音是1、há,hé 2、nǚ,nǔ 3、hāo,háo 4、hǎo,hào ( ) A: 选择1sǎn,sàn B: 选择2dǎo,dào C: 选择3bēi,bèi D: 选择4hǎo,hào

  • 2021-04-14 问题

    4 Complete the words. 25ba s t r a i g h ‍t straight 1 p o i n _ _ _ ____ 2 L - s h a _ _ _ ____ 3 c u r _ _ _ ____ 4 r e c t a n _ _ _ ____ 5 v e r t i _ _ _ ____ 6 c i r c u _ _ _ ____ 7 r o _ _ _ ____ 8 c i r _ _ _ ____ 9 t r i a n _ _ _ ____ 10 h o r i z o n _ _ _ ____ 11 s q u _ _ _ ____ 12 p a r a l _ _ _ ____ 13 d i a m _ _ _ ____ 14 s _ _ _ - s h a p e d ____

    4 Complete the words. 25ba s t r a i g h ‍t straight 1 p o i n _ _ _ ____ 2 L - s h a _ _ _ ____ 3 c u r _ _ _ ____ 4 r e c t a n _ _ _ ____ 5 v e r t i _ _ _ ____ 6 c i r c u _ _ _ ____ 7 r o _ _ _ ____ 8 c i r _ _ _ ____ 9 t r i a n _ _ _ ____ 10 h o r i z o n _ _ _ ____ 11 s q u _ _ _ ____ 12 p a r a l _ _ _ ____ 13 d i a m _ _ _ ____ 14 s _ _ _ - s h a p e d ____

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