圈梁可以加强房屋的整体刚度和墙体的稳定性。

 It would not be________for us to attend a formal wedding with the sports clothes. [ ]

A. comfortable

B. appropriate

C. convenient

D. available

A Chinese graduate’s record-setting $8,888,888_________ to his school at Yale University has stirred wide debate at home.

A．prize

B．donation

C．reward

D．award

芯片与插卡技术是多媒体的关键技术之一，多能奔腾中的多媒体扩充技术是______。

A．MMX

B．Multimedia

C．MPEG

D．JPEG

同种合金，凝固温度范围越大，铸件产生缩松的倾向（）。

通过什么方法供给轴承必要的润滑？（）

A.直接润滑和间接润滑

B.压力润滑和拨溅润滑

C.润滑脂

D.喷雾润滑