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
59
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:http://tihaiku.com/zcyy/3324862.html
相关试题推荐
Inadditiontotheir(usefulness)asscavengers,birdsareof(enormousvalue)t
(Amost)usefultool(foranalyzing)theelemental(compositionoffossils)ist
(Fewsubstances)lockless(alikethan)coalanddiamonds,yetboth(arefashion
ZoologyAnimalDefenses[img]2012q1/ct_etoefm_etoeflistz_0219_20121[/img][br]Ba
ZoologyAnimalDefenses[img]2012q1/ct_etoefm_etoeflistz_0219_20121[/img][br]Li
THEDOMESTICATIONOFANIMALS1Thedomesticationofwildspecies
THEDOMESTICATIONOFANIMALS1Thedomesticationofwildspecies
THEDOMESTICATIONOFANIMALS1Thedomesticationofwildspecies
THEDOMESTICATIONOFANIMALS1Thedomesticationofwildspecies
THEDOMESTICATIONOFANIMALS1Thedomesticationofwildspecies
随机试题
LivinginSynchronicitywiththeUniverseI’vealwayslovedthemovieswhere
Completethenotesbelow.WriteNOMORETHANTWOWORDSAND/ORANUMBERforeach
Theoldestandsimplestmethod,then,ofdescribingdifferencesinpersonali
下列关于良性阵发性位置性眩晕的病因描述,错误的是A.均继发耳源性疾病 B.中耳
不属于麻醉性镇痛药的药物是A.吗啡 B.哌替啶 C.美沙酮 D.吲哚美辛
黑龙江省山地占全省总面积的(),海拔多为300-1000米。A.38% B.4
沿着新修的国道从呼伦市出发一直向北,如果是在冬季,沿途草原大雪覆盖,松林点缀、白
期货公司及其从业人员通过报刊、电视、电台和网络等公共媒体开展期货行情分析等信息传
A国居民公司甲在某一纳税年度的总所得为250万元,其中来源A国的所得为150万元
某施工单位在中标某高档办公楼工程后,甲乙双方通过协商,对工程合同协议书以及专用合
最新回复
(
0
)