下列目标化合物的拆分和合成中会涉及到哪类化合物？<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201807/28cceb67c85d44e39a48c344f4634c24.png" /> A: 1,5-二羰基化合物 B: 格式试剂 C: 1,3-二羰基化合物 D: α，β- 不饱和酮

一简谐振动的旋转矢量图如右图，设图中圆的半径为R，则该简谐振动的振动方程为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201807/dfd995a36f4e4dd2adb52a50cc5a26de.png"/> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201807/e69d65d5dd4e49f9863425ce3fb5ac54.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201807/b13da9634fc9435398489686c8d362f9.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201807/e7906edc65b14dc39bafcb683986a690.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201807/0bfe1b068eac44d59d8772eb9bcbf871.png"/>

下列化合物中，能溶于NaOH溶液的是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/0ac13ea00784450e883eb9c03410a782.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/a4b0ca2616834826bc2dd7bc22eff5f8.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/931013ec85074585881d2056a2f28f4b.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/74e1d5e80d734881a82b75db1b7e02fb.png"/>

试分析下列目标化合物的合成中会用到哪类重要的中间体？http://image.zhihuishu.com/zhs/onlineexam/ueditor//9b2629f0e90941b4aeb0f784cf9b2ef8.png

下列目标化合物的拆分和合成中会涉及到哪类化合物？http://image.zhihuishu.com/zhs/onlineexam/ueditor//28cceb67c85d44e39a48c344f4634c24.png