19.Do you know that scientists replicated a sheep into an ________ clone .
A. identical
B. vertical
C. parallel
D. specific
正确答案：A
解析：
identical adj. 完全相同的，同一的；
vertical adj. 垂直的，直立的；
parallel adj. 平行的，类似的；
specific adj. 特殊的；明细的；
译文：你科学家复制了一头一模一样的克隆羊知道吗?
考察点：词义辨析
评分等级：★★★★☆
identical
adj.
~ (to/with sb/sth)
完全同样的；相同的
similar in every detail
Her dress is almost identical to mine.
她的连衣裙和我的几乎一模一样。
the identical
[only before noun] 同一的
the same
This is the identical room we stayed in last year.
这就是我们去年住的那个房间。
The children were dressed identically.
孩子们的穿着完全一样。
vertical
adj.
(of a line, pole, etc. 线、杆等) 竖的；垂直的；直立的
going straight up or down from a level surface or from top to bottom in a picture, etc.
纵向的
having a structure in which there are top, middle and bottom levels
n.
usually the vertical
垂直线；垂直位置
a vertical line or position
The wall is several degrees off the vertical.
这堵墙倾斜了有好几度。
parallel
adj.
~ (to/with sth)
平行的
two or more lines that are parallel to each other are the same distance apart at every point
parallel lines
极相似的；同时发生的；相应的；对应的
very similar or taking place at the same time
a parallel case
同类型事例
parallel trends
并行发展的趋势
(computing 计) 并行的
involving several computer operations at the same time
parallel processing
并行处理
n.
[C, U] （尤指不同地点或时间的）极其相似的人（或情况、事件等）
a person, a situation, an event, etc. that is very similar to another, especially one in a different place or time
These ideas have parallels in Freud's thought too.
这些观念在弗洛伊德的思想中也有极相似之处。
This is an achievement without parallel in modern times.
这是现代无可比拟的成就。
[C, usually pl.] 相似特征；相似特点
similar features
There are interesting parallels between the 1960s and the late 1990s.
20世纪60年代和90年代后期存在着有趣的相似之处。
also parallel of latitude
[C] （地球或地图的）纬线，纬圈
an imaginary line around the earth that is always the same distance from the equator ; this line on a map
the 49th parallel
第49纬度线
习语
in parallel (with sth/sb)
（与…）同时
with and at the same time as sth/sb elseThe new degree and the existing certificate courses would run in parallel.
新的学位课程和现有的证书课程将并行开设。
verb
与…相似；与…同时发生
to be similar to sth; to happen at the same time as sth
Their legal system parallels our own.
他们的法律制度与我们的相似。
与…媲美；比得上
to be as good as sth
同义词： equal
a level of achievement that has never been paralleled
绝无仅有的最高成就
【派生词】 parallel adv.
The road and the canal run parallel to each other.
道路与运河平行。
The plane flew parallel to the coast.
飞机沿海岸线飞行。
specific
adj.
明确的；具体的
detailed and exact
I gave you specific instructions.
我给过你明确的指示。
[usually before noun] 特定的
connected with one particular thing only
children's television programmes aimed at a specific age group
针对特定年龄段的少儿电视节目
~ to sth
(formal) 特有的；独特的
existing only in one place or limited to one thing
a belief that is specific to this part of Africa
非洲这一地区特有的一种观念
n.
特效药;特性;细节;显著的性质;特性
a medicine that has a mitigating effect on a specific disease
The so-called specific was a fraud.
所谓的特效药原来是骗人的东西。
——《汉英大词典》