— Rosa , can I wear jeans and a T-shirt to the evening party ?
— OK. But a dress might be _________
A:good
B:worse
C:bad
D:better
My birthday is on October ____.( )
①测力计﹣﹣弹性形变与外力的关系;
②重垂线﹣﹣重力的方向垂直向下;
③液体温度计一一测温液体的热胀冷缩;
④验钞机﹣﹣荧光物质在红外线的照射下能够发光.
其中正确的一组是( )