A环上增加羟基等供电子基，将使紫外光谱带Ⅱ（）
A．向红位移
B．向紫位移
C．向低场方向位移
D．向高场方向位移
E．没有变化
参考答案：A
属Ⅰc类抗心律失常药（）
A．利多卡因
B．奎尼丁
C．普罗帕酮
D．普萘洛尔
E．胺碘酮
用动词的适当形式填空
1. He wants ________ (swim) in the pool.
2. He likes _________(run ) in the morning.
3. They often go _______( see ) an action movie.
4. School usually _______(start) at 8:30 am and ________(finish) at 4:30 pm.
5. Please _______( fill ) in the blanks.
pm.