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1. **第2题**要求用两种方式将“Meimei is in Class One. Chen Jie is in Class One.”这两句话连成一句。 - 第一种方式可以使用连词“and”将两个句子连接起来; - 第二种方式可以使用“Both...and...”的结构将两个句子连接起来。 2. **第3题**要求对“Emma is 13 years old.”中画线部分“...
VisualStudioServices.VS2019_8Services VisualStudioServices.VS2019_9Services VisualStudioServices.VS2019_10Services VisualStudioServices.VS2019_11Services VisualStudioServices.VS2022Services VisualStudioServices.VS2022_2Services Derived Microsoft.VisualStudio.VisualStudioServices.VS2022_3Services Attributes...
Ch.,Venkat,Reddy,Jesudoss,V.,Kingston,John,G.,Verkade 摘要: By employing Pd(OAc)2, Cs2CO3, or NaOH, and the new ligand (t-Bu)2PNP(i-BuNCH2CH2)3N (3a), an electronically diverse array of aryl bromides and chlorides possessing base-sensitive substituents (nitro, ester, and keto) ...
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There is no η2-olefin intermediate on the reaction path. DFT calculations seeking the energy and structure of the two carbenes Cp2ZrHCl[CF(CH3)] and Cp2ZrFCl[CH(CH3)] are also described. 展开 DOI: 10.1021/ja0024340 被引量: 1 年份: 2001 ...
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