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【单选题】
下列选项中,哪个组是藏文的后加字?A.
ག་ད་བ།
B.
ཀ་ཁ་ང་།
C.
ཅ་ཆ་ཉ།
D.
ཏ་ཐ་ན།
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【简答题】The number of mature female green turtles that return to their primary nesting beach has gone down from 1,280 ten years ago to 145 today. (gone down) ___________
【单选题】According to the results of Study 2, of the sexually mature offspring that were collected in May 2007, the greatest number had which of the 3 genotypes?
A.
EE
B.
Ee
C.
ee
D.
Cannot be determined from the given information
【简答题】我国目前的森林覆盖率约是多少？
【单选题】关于受精，下列哪项是错误的
A.
受精通常在输卵管壶腹部与峡部连接处
B.
精子与卵子相遇，精子顶体外膜破裂，释放出顶体酶
C.
精子必须在顶体酶的作用下才能穿过放射冠、透明带与卵子接触
D.
精子于受精前在女性生殖道内有一个获能过程
E.
卵母细胞在受精前已完成第二次分裂
【简答题】On the day the Daily Express announces:"The secret to why humans grow old has been discovered by scientists in Britain, paving the way towards radical new treatments for age-related diseases." We knwo...
【简答题】The number of mature female green turtles that return to their primary nesting beach has (gone down) from 1,280 ten years ago to 145 today.
【简答题】Choose one word or phrase from the bracket to make the sentence more formal. The number of mature female green turtles that return to their primary nesting beach has ____________ (gone down; decreased...
【简答题】Choose one word or phrase from the bracket to make the sentence more formal. The number of mature female green turtles that return to their primary nesting beach has _________ (decreased; gone down) f...
【简答题】编一程序,将 2000 年到 3000 年中的所有闰年年份输出并统计出闰年的总年 数,要求每 10 个闰年放在一行输出。
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