水平抛出一个物体，经时间t后物体速度方向与水平方向夹角为θ，重力加速度为g，则平抛物体的初速度为（　　）

刘少奇在建国后的一次会议上说：“国内的主要矛盾，已经是人民对于建立先进的工业国的要求同落后的农业国的现实之间的矛盾，是人民对于经济文化迅速发展的需要同当前经济文化不能满足人民需要的状况之间的矛盾。”这次会议应该是（    ）

语法填空

    Nowadays, the life of many people in the world is____(affect) by globle warming. For example, greenhouse gas has a bad effect____both people and environment. The earth's surface temperature____(go) up by about 1 degrees centigrade in the past100 years. As a matter of fact, we may feel that we can hardly put up with the extremely hot summer and we can't get accustomed to warm winter. The rise of the earth's surface temperature has made much ____(different) to human health, the existence of creatures ____ the balance of ecosystems. There is no doubt that it is human activities that result____the bad environment. As a ____(consequent), conditions permitting, all countries in the world should try their best ____(improve) our environment. Even if our effect is limited, it will____(eventual) make a great difference if we keep on____(work) together to deal with global warming. Without all people's joint efforts, what would our future be like?

Andrew， a boy_____ one leg shorter than_____ won the special game. So we can see that no matter how much difficulty we meet， do not give up and then bright future will wait for us anywhere.

把10颗糖果分给4个小朋友，总有一个小朋友至少分到____颗糖果。