须办理检疫审批的货物必须从检疫许可证中列明的口岸入境。
参考答案:对
氢化阿托醛(
)是一种重要的化工原料,其合成路线如下:
(1)氢化阿托醛中含有官能团的名称是______.
(2)在合成路线上①-⑤反应中,属于取代反应的为______,属于消去反应的为______.(填反应序号)
(3)写出反应②、④发生反应的条件:②______,④______.
(4)写出由
反应的化学方程式:______.
A female client is being treated for genital herpes. The client should receive teaching on the ().
A.prevention of outbreaks of lesions.
B.need to abstain from sexual contact.
C.need to keep the perineal area moist.
D.need to wear tight-fitting nylon underwear.