【简答题】A.The greenhouse effect. B.The heat from the sun. C.Such objects as the seats, the dashboard, etc. D.Carbon dioxide, methane(甲烷)gas and water vapor.
【单选题】我国现行的《食品添加剂卫生标准》标准是( )
【单选题】What does our atmosphere do?
A.
It absorbs the heat from the ground and sends it to the Sun.
B.
It absorbs the heat from the Sun and emits it back to the Earth.
C.
It absorbs the heat from the Sun and emits it the same way.
D.
It absorbs the heat the ground emits and sends some of it back to the Earth.
【单选题】测量血压出现假性高读数的原因可能是( )
【单选题】关于苯并二氮杂卓类药物的鉴别反应的现象,以下说法不正确的是
A.
加硫酸后呈现不同颜色的荧光,且在稀硫酸中荧光的颜色略有不同
C.
1- 位氮原子未被取代的苯并二氮杂卓类药物水解后可以呈芳伯胺基反应
【单选题】适用于具有芳伯胺基或水解后产生芳伯胺基药物鉴别的是