饰面板安装工程后置埋件的现场（）强度必须符合设计要求。
A.拉拔
B.拉伸
C.抗压
D.抗剪
参考答案：A
一个DBMS的用户界面应具有可靠性、易用性、【 】、多样性。
Concerning the payment for the machines to be imported by us, we suggest that we make payment ______ three annual installments without interest.
A．byB．withC．for D．on
