在FrontPage中插入图片,下列说法正确的是()
A、图片可居中对齐
B、可为图片设置超链接
C、最好插入BMP格式的图片
D、可为图片添加边框
参考答案:A, B, C
She went to American two years ago .She ____there for half a year and then went to Japan.
A. would work
B. worked
C. would be working
D.has been working
如果发生缺相时压缩机在运转,电动机绕组会很快过热,当电动机绕组冷却至设定温度,接触器会闭合,压缩机难以启动,出现()现象。
A.喘振
B.堵转
C.咬缸
D.连杆断裂