【单选题】The complete stress-strain curve of a material from the beginning of being loaded to the final rupture is shown in the following figure, the deformation process of the material is not _____.
A.
elastic and yield stage
B.
strain-hardening and necking stage
C.
yield and strain-hardening stage
D.
yield and necking stage
【单选题】无定形材料原子空间排列( );晶体中原子( ) 。
【单选题】He was a stranger in this town, so the local people didn’t know _______.
A.
how could they make friends with him
B.
how they could make friends with him
C.
how can they make friends with him
D.
how they can make friends with him
【简答题】There once was a very honest shopkeeper whose business was to provide goods to the local people. He would open his shop at 8:00 a.m. after having his breakfast and at 1:00 p.m. he would go for lunch. ...
【简答题】A.It would have a bad effect on the local people. B.The local people do not want to sell any land. C.The government doesn't allow land to be sold. D.There isn't enough money available to buy land.