单词拼写(共15小题, 每小题1分，满分15分)
小题1:Generally speaking, snow announces the a__________ of winter.
小题2:The students can’t enter the lab without the chemistry teacher’s a___________.
小题3: What can you do to c____________ to the poor?
小题4:The twins are s__________ to each other in appearance, but they have nothing in common in nature.
小题5:Charlie Chaplin, a famous actor, often appeared on the stage, s________ his stick in the air.
小题6:Unfortunately, he was d_________ in the last election.
小题7:The soldiers fought bravely to d________ against the enemies for their homeland.
小题8:The news that our team won spread t_________ the whole school.
小题9:In my opinion, parents should be s________ with their kids about table manners.
小题10:Children have a natural c_________ about the world around them.
小题11:When he came to life, he found himself lying on the bed, s_________ by many people.
小题12:Learning English as a second language can be a big c__________.
小题13:The pigeon r________ peace, which is the most important thing for human being.
小题14:Whenever he is late, he always has v_______ reasons for his being late.
小题15:Everyone was silent as he a__________ the winner of competition.
小题1:approach/arrival
小题1:admission
小题1:contribute
小题1:similar
小题1:swinging
小题1:defeated
小题1:defend
小题1:throughout
小题1:strict
小题1:curiosity
小题1:surrounded
小题1:challenge
小题1:represents
小题1:various
小题1:announced
小题1:approach/arrival “到来“，雪预示着冬天的到来
小题1:admission “认可“没有化学老师的认可，学生不能进入实验室。
小题1:contribute 你能做些什么捐助穷人。这里contribute是“捐助”的意思
小题1:similar 这对双胞胎外貌上很像，但性格一点都不像。
小题1:swinging“挥舞“ 在空中挥舞手杖， 这里是伴随状语，所以用现在分词。
小题1:defeated 不幸的是，他在最后一轮选举中被击败。
小题1:defend “defend against the enemies”是抵御敌人
小题1:throughout我们队赢的消息传遍了整个学校。throughout是“遍及，贯穿“的意思
小题1:strict “严格“ 就我而言，父母应该对孩子的就餐礼仪严格要求，词组be strict with是“对某事严格要求“。
小题1:curiosity “ 好奇心”，孩子们对周围的事物有着与生俱来的好奇心。
小题1:surrounded “包围”，他醒来时，发现自己躺在床上，被很多人包围着。这里是过去分词做伴随状语，表示被动含义。
小题1:challenge “ 挑战”,把英语当第二语言学习是很大的挑战。
小题1:represents “代表”鸽子代表和平，这对人类是很重要的事。注意动词用第三人称单数。
小题1:various“各种各样的”, 每次他迟到都有各种各样的理由。
小题1:announced“宣布”当他宣布比赛的获胜者事，大家都很沉默。