脑卒中患者临床神经功能缺损程度评分标准(MESSS)描述正确的是()A．评定脑卒中损

阅读短文，选择正确答案。

       Xie Qiang is a student in Grade7. Mother's Day is coming. The teacher wants to hold a party in the

classroom and asks him to organize the party. Now he is making the plan.

       First, he will write some invitations to students' mothers. He will ask the mothers to come to the classroom.

The students are going to join the party with their mothers together.

       Second, he will ask his classmates to perform (表演) at the party. Zhang Yanling will sing English songs.

Liu Yanhua will play the piano. Li Bingpeng will tell stories at the party. Wang Xiaolong will play games. 

       Third, Xie Qiang will buy some Coke, juice and some milk for the mothers. He will also ask the students to

prepare some presents for the mothers. They will let their mothers have a good time.

       Fourth, he will ask some mothers to tell some stories and play games with the students. He will also ask

some mothers to tell something interesting to children.

       He hopes mothers will have a lot of fun at the party. The students can't wait for Mother's Day.

1. What is Liu Yanhua going to do at the party? [ ]

A. Sing English songs.

B. Play the piano.

C. Tell stories.

D. Play games.

2. What can't mothers drink at the party? [ ]

A. Coke.

B. Juice.

C. Coffee.

D. Milk.

3. Which grade is Wang Xiaolong in? [ ]

A. Grade5.

B. Grade6.

C. Grade7.

D. Grade8.

4. Who is going to organize the party? [ ]

A. Xie Qiang's mother.

B. Zhang Yanling.

C. Xie Qiang's teacher.

D. Xie Qiang

5. Where does the teacher want to hold the party? [ ]

A. At Xie Qiang's home.

B. In the classroom.

C. In the park.

D. On the playground.

何谓绝热变化？大气中在什么情况下的状态变化可看作绝热变化？

机器人力雅可比矩阵和速度雅可比矩阵有何联系？

以下不属于手机视频业务功能的是（）。

A.在线播放；

B.下载播放；

C.手机视频客户端；

D.直接播放；

水循环的各个环节中，目前受人类活动影响最大的是（）

A.海洋蒸发

B.地表径流

C.水汽输送

D.凝结降水