The opium poppy has two main products: one, the seeds, is quite______while the other, opium, is infamously insidious. A: innocuous B: obscure C: delicious D: malignant E: ubiquitous

文章同上。8.The opium poppy is a major component of cardiac drugs.

【判断题】鸦片 (Opium) ,俗称大烟、烟土、阿芙蓉等,医学名阿片

脑内神经递质有： A: GABA B: P物质 C: 神经激素 D: 5-HT E: opium

The stems, leaves and pedicles of corn poppy (Papaver rhoeas) are coarser in texture than those of opium poppy (Papaver somniferum).

Which of the plants is similar to opium poppy ？ A: Trifolium repens B: Papaver rhoeas C: Viola tricolor D: Nelumbo nucifera

12.The once-famous Cutty Sark was the last fast boat transporting ( ) in the world. A: Tea B: Silk C: Opium D: Cotton

What was the turning point which marked the close of the ancient period and the beginning of the modern period? ( ) A: the Revolution of 1911 B: the Opium Wa C: the 4 May Movement D: the October Revolution

Many people believe that （） . A: taking drugs once in a while will not be harmful B: a single smoke of opium will make you an addict to it C: the authorities are honest in dealing with the drug problem D: It is a heroic activity to destroy all the drugs available

Which one of the following relationships can describe the relationships in poppy, opium and morphine ( ) A: Plant - crude extract - purified compound B: Crude extract -plant - purified compound C: Purified compound -plant -crude extract D: Purified compound- crude extract -plant