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【单选题】
（）是反映自然界和社会上的事物、现象之间必然性关系的科学命题，但这些关系往往被各种外在的、偶然的、非本质的现象所掩盖，需要人们运用各种科学方法将它们揭示出来。
A.
科学假说
B.
科学定律
C.
科学理论
D.
科学事实
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】一棵深度为5的满二叉树,应该有多少个结点( )。
A.
17
B.
16
C.
31
D.
32
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【多选题】应用文的语言要求是( )
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准确
B.
简明
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生动
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【单选题】We all jumped with joy at the exciting news, After all, we ______forward to the chance for many years.
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are looking
B.
were looking
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have been looking
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had been looking
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【单选题】应用文的语言要求是( )
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准确、简明、平易、通俗
B.
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【单选题】We _____ in that middle school. [     ]
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all
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all are
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are all
D.
all are not
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【多选题】应用文的语言要求是
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庄重得体
B.
朴实平易
C.
准确规范
D.
言简意赅
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【单选题】We all think it was a________football match between Guoan and Shenhua and we were all________at it.
A.
disappointing；disappointing
B.
disappointed；disappointing
C.
disappointed；disappointed
D.
disappointing；disappointed
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【单选题】It is common sense ______.
A.
that all we have to eat to live
B.
which we all have eaten to live
C.
that we all have to eat to live
D.
which we all have to eat to live
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【单选题】We have friends ____, though we are a developing country. [     ]
A.
all the same
B.
all the time
C.
all our lives
D.
all over the world
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相关题目：
【简答题】应用文的语言要求是?
查看完整题目与答案
【单选题】一棵深度为5的满二叉树,应该有多少个结点( )。
A.
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B.
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【多选题】应用文的语言要求是( )
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【单选题】应用文的语言要求是( )
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B.
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【单选题】We all think it was a________football match between Guoan and Shenhua and we were all________at it.
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D.
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【单选题】It is common sense ______.
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that all we have to eat to live
B.
which we all have eaten to live
C.
that we all have to eat to live
D.
which we all have to eat to live
查看完整题目与答案
【单选题】We have friends ____, though we are a developing country. [     ]
A.
all the same
B.
all the time
C.
all our lives
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all over the world
查看完整题目与答案