斜刺的角度是
A.15° B.25° C.30° D.45° E.90°
参考答案:D
糖水100千克,含糖75%,为使糖水含糖不低于85%,至少应加糖多少千克?设至少应加糖x千克,由题意列出不等式为[ ]
A.100×75%+x≥(100+x)×85%
B.(100-x)×75%>(100-x)×85%
C.(100+x)×75%≤100×85%+x
D.100×75%-x>(100-x0×85%
根据图片及汉语提示回答问题。
1. What's your flat like? (有3个卧室,2个洗手间,1个厨房和1个客厅)
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2. What color are your curtains? (红色的)
3. Do you have your own room? (根据实际情况回答)
4. What's in your own room? (有1张床,1块镜子和1个大衣柜)
5. What can you see in the room?