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【单选题】
药物生物转化的主要器官是（ ）A.
肠道
B.
肝脏
C.
肾脏
D.
肺
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举一反三
【单选题】Only a very delicate thermometer can ________ such tiny changes in temperature in a precise way.
A.
count
B.
relate
C.
measure
D.
number
【简答题】pH=13的强碱溶液和pH=2的强酸溶液混合，所得溶液的pH=11，则强碱溶液和强酸溶液的体积之比为多少？
【简答题】阅读理解。 Bill Gates is the richest person in the world. He's not only a very famous computer scientist but also a very successful businessman. Bill's father was a successful lawyer and his mother was a h...
【单选题】Although about ______ of the earth is covered with water, only a very small amount of it is drinkable. [ ]
A.
seven-tenth
B.
seven tenths
C.
seven-tenths
D.
seven-tens
【单选题】The human ear admits only a very limited range of frequencies.
A.
confesses
B.
gives off
C.
forces in
D.
lets in
【简答题】“不打农药可抗虫，少吃化肥也长壮，仅用雨水照样活”的“绿色超级稻”你听说过吗？作为全球水稻的生产和消费大国，中国是世界上使用农药和化肥最多的国家，而水稻用水占了全国总耗水量的一半以上。残留的农药最终进入人们的餐桌；长期使用化肥使土壤板结；耗水量不断增加等等，使农田生态系统遭到严重破坏。中国科学家启动了“全球水稻分子育种计划”，建立了世界上最大的水稻基因数据库。科学家们研究每个基因的作用，进而培育出...
【单选题】____ we get on well with a number of people , we are usually friends with only a very few．
A.
As
B.
Once
C.
Before
D.
While
【简答题】第 4 章书本上的作业: P113 : 4-3, 4-4, 4-7 , 4-8, 4-10 。
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