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【简答题】
从以下的词中选一个词填空 fill up with / be grateful for / lean on / turn off / bring sth. to a halt / let go of / break through / hold on / pull over / beat sb. to it. 7. The key is to do your work with a certain skill and hold fast without _______ your target.
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皮皮学刷刷变学霸
举一反三
【简答题】请举例说明塑料材料的优点体现在哪些制品上。
【简答题】Vocabulary Practice 1 Fill in each blank with the proper form of a word in the box convince 使确信,使信服 : 指通过行动或言语使他人从思想感情上信服 e.g. I) They convinced him of his error by sound argument. 2) The touch of...
【简答题】动物细胞的培养基包括 、 、 培养基三种。
【简答题】某种植物种群,AA基因型个体占30%,aa基因型个体占20%,则: (1)植物的A和a基因频率分别是__________________________。 (2)若该植物自交,AA、aa后代中基因型个体分占___________、_________。这时,A、a的基因频率分别是 _________________。 (3)依据现代生物进化理论,这种植物在这一时期中是否发生了进化? ________...
【简答题】改错题。 An English lady was finally decided that she really should learn to drive, And after many attempts, she past her driving test and told her husband that, to release, he was going to drive him over...
【多选题】动物细胞培养基可分为天然培养基、合成培养基和无血清培养基三种。无血清培养基的添加成分包括
A.
激素
B.
生长因子
C.
结合蛋白
D.
贴壁和铺展因子
E.
低分子质量营养物质
【单选题】You can fly to London this evening______ you dont mind changing planes in Paris.
A.
provided
B.
except
C.
unless
D.
as soon as
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