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【多选题】
在下列描述含+,*算术表的文法中,属于二义文法的是( )。
A.
E→E+E | E*E |(E) | i
B.
E→EAE | (E) | I A→+ | *
C.
E→E+T | T T→T*F | F F→(E) | i
D.
E→EAT | T T→TBF | F F→(E) | I A→+ B→ *
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举一反三
【单选题】请在第_____处填上正确答案。
A.
for satisfy
B.
to satisfy
C.
for to satisfy
D.
so satisfying
【单选题】To satisfy customers with special taste, manufactures have to provide( ) services.
A.
convenient
B.
available
C.
response
D.
personal
【单选题】沟谷的形成主要是( )
A.
流水沉积作用
B.
风力沉积作用
C.
流水侵蚀作用
D.
风力侵蚀作用
【单选题】公安机关出入境管理机构应当自收到申请材料之日起( )内签发普通护照p235
A.
15个工作日
B.
15日
C.
30个工作日
D.
30日
【单选题】The traditional distinction between products that satisfy needs and those that satisfy wants is no longer adequate to describe classes of products. In today's prosperous societies the distinction has ...
A.
it is used at home to do paper work
B.
it is used by a writer to type a novel
C.
it becomes the only means to an end
D.
a writer does not want to use it
【单选题】主要由内力作用形成的地表形态是
A.
黄土沟壑、北欧的峡湾
B.
长白山天池、桂林的峰林
C.
东非裂谷、庐山块状山地
D.
渭河谷地、北美洲五大湖
【简答题】我国华南丹霞地貌主要特点是,平顶山体,相互分离,四壁陡立。丹霞山体海拔和相对高度较小,不同山体大多存在着山麓和山顶植物种类和数量较多、山腰较少的“哑铃式”分布格局。许多峡谷中热带物种所占比重较同纬度其他区域高,尤其在偏南向开口的半封闭型谷地的坡脚地带,形成了“沟谷雨林”。下图示意华南某丹霞地貌区的植被分布及“沟谷雨林”景观。 分析“沟谷雨林”形成的有利条件。
【单选题】关于地表形态及成因的叙述,正确的是 (   )
A.
黄土高原千沟万壑、长江三峡,是流水的侵蚀作用形成的
B.
角峰、U形谷是内力作用形成的
C.
渭河平原主要是外力作用形成的
D.
我国的西北地区的沙丘是风的侵蚀作用形成的
【单选题】The traditional distinction between products that satisfy needs and those that satisfy wants is no longer adequate to describe classes of products. In today's prosperous societies the distinction has ...
A.
it is used at home to do paper work.
B.
it is used by a writer to type a novel.
C.
it becomes the only means to an end.
D.
a writer does not want to use it.
【单选题】Mr. Wood guarantees that Mr. Feng will their requirement.A. satisfy B. satisfactory C. be satisfied with D. satisfy with
A.
satisfy
B.
satistatory
C.
be satisfied with
D.
satisfy with
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