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【单选题】
植物的一个年轮包括A.
心材与边材
B.
早材与晚材
C.
硬材与软材
D.
心材与晚材
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文： The human nose has given to the languages of the world many interesting expressions. Of course, this is not surprising. Without the nose, we could not breathe or smell. It is the part of the fac...
A.
Courteous and intellectual.
B.
Polite and masculine.
C.
Brave and intelligent.
D.
Considerate and romantic.
【简答题】If〈a〉represents the largest prime number not more than a,then the value ofthe expression 〈(〈8〉×〈3〉×〈4〉)〉×〈4〉×〈12〉 is ( ). (A)1353 (B)2013 (C)2079 (D)4608 (英汉词典:largest最大的;notmorethan不超过;primenumber质数;...
【单选题】Long before children are able to speak a language, ___communicate through facial expressions and by making noises.
A.
however
B.
they
C.
furthermore
D.
who
【单选题】防火墙是确保网络安全的重要设备之一,以下各项中可以由防火墙解决的一项网络安全问题是()
A.
从外部网伪装为内部网
B.
从内部网络发起的攻击
C.
向内部网用户发送病毒携带文件
D.
内部网上某台计算机的病毒问题
【单选题】请根据短文内容，回答题。 Music Music is one of the most beautiful forms of artistic expressions ever invented. In movies and plays, music has an added function: it not only moves people but also can shock people....
A.
The power of music
B.
The harms of noises
C.
The magic of sound
D.
The discovery of infrasonic waves
【单选题】15 Anyone who wants to apply for a loan need read the following specifications.
A.
expressions
B.
warnings
C.
advertisements
D.
instructions
【简答题】盒子里装有3只黑球、2只红球、2只白球，在其中任取4只球，以X表示取到黑球的只数，Y表示取到红球的只数，求X和Y的联合分布律．
【单选题】What’s the function of the specific words?
A.
To make expression fluent
B.
To make expression cohesive
C.
To make expression coherent
D.
To make expression concrete
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