The Question of Bicycloconjugation in Naphtho-Fused 9-Heterobicyclo[4.2.1]nona-2,4,7-trienes as Examined by13C-NMR SpectroscopyFundamental differences with regard to bicycloconjugation exist between the structurally related systems (1) and (2), X = NH. (1) is bicycloconjugated, whereas (2)...
Clause 2(1) provides that where a questionarisesasto whether a body established under the laws of a territory not recognized by the United Kingdom as a state, and it appears that the laws of that territory are at that time applied by a settled court system in that territory,then the que...
Mrs Jacobs trie d every day, but Simon never pai d attention.That evening, his throat (喉咙) really hurt. The next morning, when he opene d his mouth to say "Good morning". nothing came out but a croak (低哑声).Simon's mother looke d at him. "Honey, you've lost your yoice....
百度试题 结果1 题目 ←)1. A. keeps B.meets C. brushes D. trie C D )2. A. dances B. guesses C. will D. life3. A. nice B. find C.foot D.too 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
【解析】is/are/be都是“是”的意思。is:是,它与可数名词单数或不可数名词连用;are:是,它与可数名词复数或you连用(在一般现在时里);be:是,它是原形。这道题考查的是:let's do sth.:让我们做某事。故答案为:C。 反馈 收藏
百度试题 结果1 题目()9. I'm sorry for breaking your cup. A. trie B. truth C. truly 相关知识点: 试题来源: 解析 C 反馈 收藏
结果1 题目A trie C cares D acts1Lookat theme. hatshould we do now Don't move anvthing I eave the room it is. the police will come soon A till B. as C.on D. of( 32.- The Shenzhou-12 manned spaceship returned to the earth safely from space in Septe China's space science...
The dog is not Ben's. Who is its o Wner ?12. We trie d our best to call her up , but she didn't stop crying.13. I have known my grades because my teacher h ande d out the exam papers yesterday.14. Miss Green was s_ereal with her because she got goo d grades.15. ...
试题来源: 解析 C 【详解】 句意:经过几次尝试,我们终于解决了这些问题。 考查名词的用法。trying尝试,动名词或现在分词;try尝试,动词原形或名词原形;tries尝试,名词复数;to try尝试,不定式。根据“After several”可知,此处填名词复数。故选C。反馈 收藏 ...
结果1 题目 A. Third, care about your triends. B. Here is some advice. C. If your friends fail the exams.try to encourage them. D. Listen carefully to what other people say and try to smile at them. E. You can go to places like coffee shops,clubs or sports centers to meet ...