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【单选题】
基因在染色体上的实验证据是( )A.
孟德尔的豌豆杂交实验
B.
萨顿蝗虫细胞观察实验
C.
摩尔根的果蝇杂交实验
D.
现代分子生物学技术印证
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】用括号中的单词完成段落。 (, crossroads, major, greeted, flight, spoken, dormitory, association, Colombia, curious, representing) Julie was at a . She had just graduated from university and was ready to begin...
【单选题】One measure that would compensate the sending country for its public investments in emigrants could be a(n) : a. tax on sending-country product exports . b. subsidy to sending-country product imports ...
A.
B.
C.
D.
D
【单选题】She received several ______________ on her speech.
A.
compliments
B.
complement
C.
completion
D.
comprehension
【单选题】( )可以有效引导搜索引擎抓取网站中其他相对重要的页面，从而增加网站页面被收录的数量，及这些链接所指向的页面链接权重。
A.
导航型页面
B.
内容型网页
C.
内容导航结合型页面
【简答题】She received several ________ (office) letters this morning.
【简答题】n. sb. who enters another country to live permanently
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