A:8min时表示正反应速率等于逆反应速率
B:前20min A的反应速率为0.05mol/(L·min )
C:反应方程式中的x=1,30min 时表示增大压强
D:40min时改变的条件是升高温度,且正反应为吸热反应
请根据以上信息回答下列问题:
今天,小兔灰灰穿上一件漂亮的新衣裳.衣服上一闪一闪的,原来是漂亮的纽扣在作怪.小猴看着小兔的新衣裳,心生一计:“小猪,告诉你,小兔灰灰的衣服上正面有6粒纽扣,一只衣袖上有4粒纽扣.你能算一算这件衣服一共有多少粒纽扣吗?”小猪说:“这个嘛,太好算了,6+4=10,有10粒纽扣.”同学们,小猪说得对吗?你知道一共有多少粒纽扣吗?
A天府之国
____
a江苏周庄
B第一水乡
b成都平原
C东方明珠
c 香港和澳门
D中国光谷
d 北京中关村
E中国硅谷
e 武汉东湖
Football
People call it “the first sport in the world”. There are two teams in the football field during a game. Each team has eleven players.
Tennis
There is a big net in the middle of the court(球场). Each player has a racket(球拍)in his hand. Two or four players can play it together.
Golf(高尔夫球)
Golf comes from Scotland. It means green, oxygen, light and foot. People play it on the outdoor grass. They hit the white balls into the small holes with a stick.
Basketball
America is the hometown of basketball. This sport is famous for NBA.
There are two teams with ten players on the basketball court. They can't run with the ball in their hands.