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【单选题】
月经后,再生的子宫内膜上皮来源于A.
子宫腺上皮细胞
B.
内皮细胞
C.
成纤维细胞
D.
子宫内膜上皮细胞
E.
以上都不是
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【单选题】_______ is certain, people’s living conditions in China have improved a lot since the 1980s.A．It
A.
39. _______ is certain, people’s living conditions in China have improved a lot since the 1980s. A．It
B.
As
C.
what
D.
Which
【单选题】As people’s living standards improve, the health and beauty business is __ withmore sophisticated products than ever before.
A.
astonishing
B.
flourishing
C.
exaggerating
D.
diminishing
【简答题】The dove is a _________ of peace.
【单选题】Section A Vocabulary. Directions: There are 20 incomplete sentences in this part. For each sentence there are four choices marked A), B), C) and D). Choose the ONE answer that best completes the sente...
A.
astonishing
B.
flourishing
C.
exaggerating
D.
diminishing
【简答题】As people’s living standards improve, the health and beauty business is _____ with more sophisticated products than ever before.A. astonishing B. flourishing C. exaggerating D. diminishing B. f...
【单选题】People’s expectations for a higher standard of living increase __________.
A.
conditions in their community improve
B.
since conditions in their improving community
C.
conditions improve in their community
D.
as conditions in their community improve
【单选题】下列关于甲基环丙烷和顺丁-2-烯的说法，错误的是？
A.
常温下都能被稀高锰酸钾溶液氧化
B.
常温下都能使溴的四氯化碳溶液褪色
C.
都能催化加氢，得到烷烃
D.
高温下都能发生氯代反应
【单选题】下列关于DNA甲基化的说法错误的是
A.
真核细胞中DNA甲基化程度与基因表达水平呈正相关
B.
人类DNA差异甲基化可以用来进行组织或体液来源鉴定
C.
亲本不同位置的甲基化状态可以忠实地反映到子代
D.
基因组印迹可能与人类DNA甲基化修饰有关
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