在发那克0i系统中，假设#1=1.2，#2=-1.2，则以下（）是正确的。
Verbal presentation of new words means that the meaning of a second language word is demonstrated through concrete objects, visual aids, or through mime and acting.（）
绘图时，实线的宽度一般为0.4~1.2mm，但大多数为1.2mm。
BYT1•2×1•2Ⅱ型绞车型号中的“BYT”代表（），“1.2”代表（），“1.2Ⅱ”代表（）。
Langue refers to the a（）linguistic system shared by all the members of a speech community while the parole is the concrete use of the conventions and application of the rules.
JTY—1.2/1B中的1.2表示滚筒直径1.2米。
He has ________ been to Shanghai , has he ?
Have you any concrete thoughts on how to ______ this difficulty?
Conversation 2 17.A. He has got a summer job C. He has just visited a park B. He has lost his job D. He has been to the beach
Heaven has its seasons, Earth has its resources, man has his culture.
Illustration is the use of example to exemplify a point; good examples help to clarify an exposition by making the specific general, and the concrete abstract.
He has _______ been to Shanghai , has he ?
In order to start a concrete transaction between us, we take pleasure in making you a special offer, _________ our final confirmation.
Which of the following words or phrases is most concrete?
A simple sentence has just one independent clause. It has dependent clauses.
Because semiconductor has two kinds of carriers, it has better conductivity than conductor
Every word that has meaning has sense but not every word has referece.
concrete [5kCnkri:t]
听力原文：M: I suppose you must have heard about that great piece of concrete falling onto a car in that terrible accident in South Street yesterday, didn't you, Jane？
It’s obvious that wooden bridge are inferior_____concrete bridges
据GB9787-88，10角钢的边长允许偏差为（)。A.-1.2～0B.-1.2～+1.2C.-1.8～+1.8D.-1.8～0
Mrs. Taylor has ______ 8-year-old daughter who has ______ gift for painting—she has won two national prizes.
选出与该句匹配的段落：The doer of a good deed can feel spiritually rewarded even when they gain no concrete benefits.
After some water reducing agent is used into concrete, the function of the agent is（）if some water is reduced
