第一轮
1、光世昌老师高中物理精品资源免费下载地址 :此套题为 ,请按住 动鼠标滚轴,调节合适的观看比例,答案解析附后。 阶段滚动检测(一)第一三章(90 分钟 100 分)第卷(选择题共 50 分)一、选择题(本大题共 10 小题,每小题 5 分,共 50 分,每小题只有一个选项符合题意)x 处做自由落体运动,经时间 t 到达地面,落地速度为 v,那么当物体下落时间为 时
1、光世昌老师高中物理精品资源免费下载地址 (一)1D解析 物体受到一个斜向上的拉力,并做匀速直线运动,则必然受到向左的摩擦力,另外物体还要受重力和支持力,故物体受到四个力作用2B解析 物体受重力、斜面的支持力、沿斜面向下的摩擦力,不存在所谓的冲力,B 对3C解析 物体 B 受重力、A 对 B 斜向下的作用力,拉力 F、A 对 B 的摩擦力 f,共 4 个力的作用C 正确4. 解析 O
0 - 2 K= 10 - 8 K2= 10 - 11 K2= 10 - 7 下列反应的离子方程式书写正确的是 ( ) A. NaClO溶液中通少量 CO2: 2ClO- + CO2+ H2O===2HClO+ CO2-3 B. Na2CO3溶液中通少量 SO2: 2CO2-3 + SO2+ H2O===2HCO-3 + SO2-3 C. NaHCO3溶液中通少量 SO2: 2HCO-3 +
his ______ play? I like it much better than his _______ one. A. latest … last B. lately … lastly C. early … lately D. early … lastly A latest later lately late late 8. … that will remind you about
his ______ play? I like it much better than his _______ one. A. latest … last B. lately … lastly C. early … lately D. early … lastly A latest later lately late late 8. … that will remind you about
he is right. (5) It seems + as if / though 看样子 ,似乎是 It seems as if he were in a dream. 10. out of out of 意为 “从 …, 由 …”, 接近 from, 在句子中作后置定语 eg. He tore a piece of paper out of his notebook. out of “从
oesn’t feel _______ for he has many things to do. 3) The baby cant walk, let ________ run. 4) Leave the machine _______. It’s dangerous. 4 lonely alone alone lonely alone alone how / what / which /
lot of money. (错误 : She married with / to a man with …) 2. They got married a year ago. 3. They have been married for a year. (错误 : They got married for a year.) 4. The old man married his daughter
京春季 ) A. get in B. get over C. get along D. get together 3. We have to _____ the wheat as soon as possible because a storm is on the way. (04湖北 ) A. get away B. get across C. get through D. get in D
我不想外出了。 3) 在表示“宁愿 ......而不愿”时,要用 would rather ... than ... 这一结构,表示在两者之中进行选择。 I would rather listen to music than go swimming. 4) would rather 后 不能带复合宾语 ,但 可带宾语从句。 从句中的动词需要用 过去式 表示的虚拟语气。 例: We’d