人教版高中英语必修三unit4astronomythescienceofthestarsperiod3课件

人教版高中英语必修三unit4astronomythescienceofthestarsperiod3课件内容摘要：

sting places. a long enough holiday 2. Then we were off. 随后我们就启程了。 be off = set off 出发；动身 I am off today. 我今天不用上班。 We are off today. 今天我们不上班 /今天我们不开张。 与 off相关的短语 : see...off 送行 jump off 跳下 give off 散发 show off 炫耀 get off 下车 take off 脱下 turn off 关闭 pay off 付清；还清 3. When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earth’s. 当我们更接近月球时，就会感到月球的引力在拉我们。 但是，月球的引力不像地球的引力那么大。 get close to 靠近，接近，指动态变化 be close to 距 ......近，指状态 The school is close to the post office. up: 欢呼，喝彩，感到高兴， 使高兴。 当看到球队的到来，人群欢呼起来。 _____________________ when they saw the team arrive. 他带她去听音乐会来使她高兴。 He took her _____________ to ____________. The crowd cheered up to the concert cheer her up 1). “A + be + 倍数 + as +形容词原级 + as + B”. This tree is three times as tall as that one. His father is twice as old as he. 5. But when I tried to step forward, I found I was carried twice as far as on the earth and fell over. 而当我试着向前迈步的时候，我发觉我被送出很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。 2). “A + be + 倍数 +形容词比较级 + than + B ” The Yangtze River is almost twice longer than the Pearl River. 长江差不多比珠江长两倍。 The number of students in our school is three times larger than that in theirs. 我们学校的学生数量比他们学校的多三倍。 3). “A + be + 倍数 + the +名词 (size, length, amo。