皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
卫生服务需求曲线是一条 ( )
A.
自右上方向左下方倾斜的曲线
B.
自左上方向右下方倾斜的曲线
C.
凹向的曲线
D.
凸向的曲线
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】—You _____ be very tired after the long flight. —Yeah, though I am tired, I feel excited and happy. [     ]
A.
must
B.
probably
C.
can’t
D.
can
【简答题】I am tired____his everlasting complaints.
【单选题】I ______ too much reading.
A.
am tiring
B.
tired out because of
C.
am tired out in
D.
tired myself out with
【简答题】如果1 mol金属钠的质量为23 g,密度ρ=0.97 g·cm -3 ,则每个钠原子的半径约为多少?(设钠为紧密堆积的球体)
【单选题】I  ____  too much reading.
A.
am tiring
B.
tired out because of
C.
am tired out in
D.
tired myself out with
【简答题】(1).切开钠的断面呈____色,有____光泽,能用小刀切割,表明钠的硬度____. 金属钠____导电,密度____,熔 点_____ .(2).切开的光亮的金属钠断面在空气中会______,原因是____________________,反应的化学方程式为__________,若金属钠在空气中燃烧,则 生成的是_____________,燃烧时火焰呈______色,反应的化学方程式_____...
【单选题】I’ve been playing the piano for four hours and I am ________ it.
A.
tired of
B.
tired in
C.
tired on
D.
tired through
【单选题】森課長はどこ__いませんね。
A.
でも
B.
をも
C.
にも
D.
からも
【单选题】I don’t think he is a good boy; I am _____his empty talk.
A.
grateful for
B.
tired of
C.
crazy about
D.
concerned about
【单选题】金属钠在水中能浮在水面上;在煤油中能沉在油层下。煤油的密度是0.8 g?cm -3 ,可推测钠的密度(g?cm -3 )是(  )
A.
大于1.0
B.
小于0.8
C.
介于0.8—1.0之间
D.
不能确定
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题