Which of the following statements about Swap is not correct？

A、固溶体是指溶质原子溶入溶剂晶格中而仍保持溶剂类型的合金相。

B、无限固溶体只可能是间隙固溶体。

C、置换固溶体和间隙固溶体都会产生固溶强化现象。

D、形成固溶体后，晶格结构有一定畸变，处于高能量的活化状态，有利于进行化学反应。

A、All teachers have at least a Bachelor’s Degree.

B、About 2% of the students are home-schooled.

C、There are three levels of education: elementary, secondary and post-secondary.

D、School supplies such as pens and paper are free.

A、It started from Italy and spread to the rest of the Europe.

B、It was a cultural movement which profoundly affected European intellectual life.

C、It was a continuum of the Middle Ages.

D、Florence was home to the Renaissance.

(72) A．Each object has a unique object identify in the system

B．Encapsulation and inheritance are two important features of object oriented database

C．A subclass can inherit the attributes and methods of all its superclasses

D．A supereloss includes the attributes and methods at all subclasses

A、Software can have multiple copies. Software can have multiple copies. - 正确

B、Software is a kind of concrete physical entity.

C、The faults in a software system come from wearing out.

D、Software is something mysterious mastered by some geniuses.

A．Each object has a unique object identity in the system

B．Encapsulation and inheritance are two important features of object oriented database

C．A subclass can inherit the attributes and methods of all its superclasses

D．A superclass includes the attributes and methods of all its subclasses

A．Each object has a unique object identity in the system.

B．Encapsulation and inheritance are two important features of object oriented database

C．A subclass can inherit the attributes and methods of all its superclasses

D．A superclass includes the attributes and methods of all its subclasses

A．Surrogate endpoints are more reliable because they are based on objective measures.

B．Surrogate endpoints are not always reliable because the disease being treated may be too complicated to gauge with just one tool.

C．Surrogate endpoints may help streamline the process of drug approval.

D．Surrogate endpoints do not always reflect the safety of a drug because it may have many more effects than the one being measured.

A．We remember people and things as much as before.

B．We remember more Internet connections than before.

C．We pay equal attention to location and content of information.

D．We tend to remember location rather than the core of facts.

A．Clearing account barter is aimed at reducing the effect of' bilateralism.

B．Clearing accounts record the debits and credits of trade.

C．The entries in clearing accounts are directly withdrawable.