方程的解是（） A、x=0. B、x= 2 C、x=0或x= 2 D、x=

方程的解是（）

A、x=0. B、x= 2 C、x=0或x= 2 D、x=

答案

相关题目

At the end of the meeting, it was announced that an agreement ______. A. has

At the end of the meeting, it was announced that an agreement ______. A. has been reached B. had been reached C. has reached D. had

When it comes to the world of computers, green computing is becoming popular.

When it comes to the world of computers, green computing is becoming popular. But what is green computing? The term “green computing” is one that is being used in many different markets a

豌豆子粒黄色(Y)、圆粒(R)均为显性，两亲本豌豆杂交的F1表型

豌豆子粒黄色(Y)、圆粒(R)均为显性，两亲本豌豆杂交的F1表型如下图。让F1中黄色圆粒豌豆与绿色皱粒豌豆杂交,F2的性状分离比为 �

It would not be easy to ten miles on that amount of petrol

It would not be easy to ten miles on that amount of petrol. A．remain B．cover C．return D．move

（20分）如图所示，一容器左侧装有活门，右侧装有活塞B，

（20分）如图所示，一容器左侧装有活门，右侧装有活塞B，一厚度可以忽略的隔板M将容器隔成a、b两室，M上装有活门。容器、隔板、活塞及活门都是绝

下图是氢氧化钠溶液和盐酸用滴加方式反应时，溶液pH 随滴

下图是氢氧化钠溶液和盐酸用滴加方式反应时，溶液pH 随滴入溶液体积变化的曲线。 (1)氢氧化钠和盐酸恰好完全反应时，溶液的pH____7(填“大于”、“

假如你以我国检察院启用举报电话和举报网站为背景，写一

假如你以我国检察院启用举报电话和举报网站为背景，写一篇发言稿，在班级时政论坛里发言论述这一事件的意义，可以选用的观点是 ①有利于改进被

内地某大型铁矿区附近有炼焦煤、石灰石、粘土矿、丰富的

内地某大型铁矿区附近有炼焦煤、石灰石、粘土矿、丰富的地下水资源，该地区接近河流和铁路干线，周围是棉麦产区。据此完成要求：图5-31 (1)随着

方程的解是（ ） A、x=0. B、x= 2 C、x=0或x= 2 D、x=

答案

相关题目

最新题目

方程的解是（） A、x=0. B、x= 2 C、x=0或x= 2 D、x=