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【单选题】
下列对于搭边的叙述不正确的是( )。A.
搭边是指排样时冲件之间以及冲件与条料边缘之间留下的工艺废料。
B.
搭边可以补偿定位误差和送料误差
C.
搭边可以避免冲裁时条料边缘的毛刺被拉入模具间隙中
D.
搭边也可以起到定位的作用
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举一反三
【单选题】The witness wrote a letter, insisting that the two soldiers ______great wrong to the farmer.
A.
had done
B.
should do
C.
should have done
D.
did
【单选题】Fortunately, what the witness reported to the police on the phone led to ___________.
A.
the suspect's being captured
B.
capture the suspect
C.
the suspect having captured
D.
be captured by the suspect
【单选题】perfume [5pE:fju:m]
A.
n. 发散, 发光, 发热, 辐射, 放射, 放射线, 放射物
B.
n. 半径, 范围, 辐射光线, 有效航程, 范围, 界限
C.
n. (浓烈或难闻的)烟, 气体, 一阵愤怒(或不安) v. 用烟熏, 冒烟, 发怒
D.
n. 香味, 芳香, 香水 vt. 使发香, 洒香水于, 发香味
【简答题】（8分）A、B、C、X均为中学常见的纯净物，它们之间有如下转化关系(副产物已略去)。 试回答： (1)若X是强氧化性单质，则A不可能是________。 a．S b．N 2 c．Na d．Mg e．Al (2)若X是金属单质，向C的水溶液中滴加AgNO 3 溶液，产生不溶于稀硝酸的白色沉淀，则B的化学式为___ _ _ ___；C溶液在储存时应加入少量X，目的是_________________...
【单选题】What was the attitude of the witness during the interview?
A.
Obviously somewhat frightened
B.
Excited at seeing the incident.
C.
Anxious to give a report to the police station.
D.
Calm and unhurried.
【单选题】The examination to the witness for the prosecution by the prosecutors is called:
A.
direct examination
B.
cross examination
C.
A and B
D.
A or B
【单选题】According to the passage, ______ might influence the witness~ s identification of suspects.
A.
the education of the witness
B.
the time of day the crime occurs
C.
the appearances of the suspect
D.
the age of the suspect
【单选题】The judger doesn't know whether the witness is telling the truth, but he will______it.
A.
identify
B.
enforce
C.
distinguish
D.
verify
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