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搜题
【单选题】
Which service does the following sentence belong to: I'd like to have more sprites and cokes in my minibar.A.
shoe-shining service
B.
minibar service
C.
maintenance service
D.
handling lost and found articles
E.
getting things on request
F.
dealing with emergency
G.
baby-sitting service
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反馈参考答案：
举一反三
【单选题】如果人类二倍体基因组用Ava Ⅰ酶切，大约可得到多少片段?( )
A.
3×10 5
B.
3×10 6
C.
3×10 7
D.
7.5×10 5
E.
7.5×10 6
【单选题】In order to attain our objective, it is essential that we will make the best use of the limited resources available.
A.
attain
B.
essential
C.
will make
D.
available
【单选题】光镜下可见牙龈组织结构复层鳞状上皮、无角化、有上皮钉突、结缔组织常见不同炎症细胞的上皮为
A.
口腔上皮
B.
结合上皮
C.
颊黏膜上皮
D.
龈沟上皮
E.
口腔黏膜上皮
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