首页
登录
职称英语
Useful drugs are made from inorganic substances or are plant and animal by-produ
Useful drugs are made from inorganic substances or are plant and animal by-produ
游客
2024-01-01
35
管理
问题
Useful drugs are made from inorganic substances or are plant and animal
by-products
.
选项
A、materials
B、derivatives
C、chemicals
D、ingredients
答案
B
解析
名词辨析A.materials原料,材料,物资,素材,布料;B.derivatives派生的事物,派生词;C.chemicals化学制品,化学药品;D.ingredients成分,因素;而by—products表示:副产品;因此B为答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3323838.html
相关试题推荐
Whatisthemostimportantanimalinyourcountry?Whyistheanimalimporta
Agift(suchasacamera,asoccerball,orananimal)cancontributetoac
PlantandAnimalLifeofthePacificIslandsP1:ThePacificIslandsregioncove
PlantandAnimalLifeofthePacificIslandsP1:ThePacificIslandsregioncove
PlantandAnimalLifeofthePacificIslandsP1:ThePacificIslandsregioncove
PlantandAnimalLifeofthePacificIslandsP1:ThePacificIslandsregioncove
PlantandAnimalLifeofthePacificIslandsP1:ThePacificIslandsregioncove
AnimalBehaviorP1:Throughoutmuchofthe20thcentury,EuropeanandAmericans
AnimalBehaviorP1:Throughoutmuchofthe20thcentury,EuropeanandAmericans
AnimalBehaviorP1:Throughoutmuchofthe20thcentury,EuropeanandAmericans
随机试题
Lookatthestatementsbelowandthearticleaboutpricingontheoppositepage.
Ifyouwanttherainbow,you’vegotto______therain.A、getupwithB、putupwith
Ourape-menforefathershadnoobviousnaturalweaponsinthestrugglefors
Nowadaystherearemoreandmorewaysofgoingonholiday.Moreandmorepeo
Ithappenstothebestofus.Weputourheadsdown,【B1】______eachday,let
以下不属于免疫分析法的是()。A:放射免疫法 B:荧光免疫法 C:酶免疫法
环境噪声污染防治法》规定,在城市市区噪声敏感建筑物集中区域内,禁止夜间进行产生环
城市总体规划调查中最基本的手段是()。A.现场踏勘 B.抽样或问卷调查
的混合溶液,用石墨作电极,则在阳极的产物是( )。A.H2 B.O2
关于劳动争议仲裁,下列说法正确的是:() A.当事人申请劳动争议仲裁的,必须
最新回复
(
0
)