A.可满足任何形式修复体的要求,能铸造出形状复杂,壁薄及有细小管腔的铸造件
B.具有较高精度
C.与锤造技术相比,具有劳动强度低,工作效率高的优点
D.不属于熔模铸造法
E.可以满足任何高硬度、高熔点、高弹性及高黏滞性能金属的加工
第1题
He can speak English, German, French and Japanese. He is really a man with a (n) ______ for language.
A.gift B.present C.ability D.skill
第3题
______ to speak when the audience interrupted him.
A.Hardly did he begin
B.No sooner had he begun
C.Not until be begun
D.Scarcely had he begun
第4题
______ to speak when the audience interrupted him.
A.Hardly had he begun
B.No sooner had he begun
C.Not until he began
D.Scarcely did he begin
第5题
______ to speak when the audience interrupted him.
A.Hardly did he begin
B.No sooner had he begun
C.Not until be begun
D.Scarcely had he begun
第6题
I don't know when he, but when he ______ I'll speak to him.
A.will come.., comes
B.comes.., comes
C.comes.., will come
D.will come.., will come
第7题
When he arrived in that country, he found that (there were few occasions to speak Chinese).
第8题
______ to speak when the audience interrupted him.
A.Hardly had he begun
B.No sooner had he begun
C.Not until he began
D.Scarcely did he begin
第9题
I ______ (speak)to him for some time before I realized who he was.
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