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【单选题】
下列说法正确的是
A.
HF比HI更稳定的主要原因是HF分子之间易形成较强的氢键
B.
肌红蛋白、蚕丝、过氧化氢酶、油脂充分水解后均可得到氨基酸
C.
氢键、分子间作用力、离子键和共价键均为微粒间的相互作用力
D.
燃烧法、法、铜丝燃烧法、纸层析法都是元素定性分析法
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参考答案:
举一反三
【简答题】简述社会主义建设道路初步探索的重要思想成果有哪些?
【单选题】As a lover of popular music, she enjoys listening to it _____ MP3.
A.
in
B.
on
C.
with
D.
by
【判断题】"Two-way collection" means 免费通行.
A.
正确
B.
错误
【简答题】Computer networks are data communication systems made up of hardware and software. A network is a collection of computers and devices connected together via communication devices such as cable telepho...
【单选题】A linear collection of data element given by means of pointer is called ( )
A.
Linked list
B.
Queue
C.
Stack
D.
Graph
【单选题】She enjoys ( ).
A.
listen to music.
B.
listen music.
C.
listening to music.
D.
listening music.
【单选题】Julie enjoys listening music very much. She often says to me that _________ is more interesting than music. [     ]
A.
nothing
B.
something
C.
everything
【简答题】She enjoys listening to pop music, her sister likes classical music better.
【简答题】She enjoys listening pop music, _______ (but, however) her sister doesn't.
【单选题】“Clean collection” means collection of financial documents not accompanied by ( ).
A.
commercial documents
B.
drafts
C.
bill of lading
D.
L/C
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