Which of the following is NOT true of the visiting children?
A.They behave very well.
B.They like chocolate very much.
C.They receive toys from their grandparents.
D.They are having a lot of fun.
第3题
转向节及臂、转向横、直拉杆及球销不允许有裂纹和损伤,并且球销不得松旷,横、直拉杆不得()
A.拼焊
B.可以拼焊
C.随意拼焊
第8题
转向节及臂。转向横直拉杆及球销在进行修理时,()。
A.可以拼焊,球销不得过松。
B.不得拼焊,球销可以稍松。
C.不得拼焊,球销不得松旷。
D.可以拼焊,球销不得松旷。
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