Post your answer to slide 16: Compare the conformational free energies between 2-methyltetraphydropyran and 2-methylthiane. State your reason.
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【简答题】根据句意写出相应的单词。 1. The name of the eighth month is ______________. 2. The sixth month of the year is ______________. 3. March 8th is ______________ Day. 4. ______________ is the sh month of the year...
【简答题】根据句义和首字母完成下列单词。 1. The sixth month of the year is J . 2. The sh month of the year is J . 3. The eighth month of the year is A . 4. The ninth month of the year is S ________. 5. The tenth month of...