①我国对外进口商品和劳务的成本将提高 ②我国出境旅游的人数将增加
③境外资本来华投资办厂的热情将下降 ④我国出口贸易的成本将降低
A:①②
B:①③
C:②③
D:③④
汽车在平直公路上以10m/s的速度做匀速直线运动,发现前面有情况而刹车,获得的加速度为2m/s2,则汽车经过3s时速度的大小为____ m/s;经10s时速度的大小是____.
在初中即将毕业之际, 请你以张明的名义给英国笔友Brian写一封感谢信, 要点提示如下:
three years ago
a new comer, have no friends and feel lonely…..
During three years
Brain have written many letters to help you in different ways:
Encourage you to make more friends.
Tell you the ways how to learn English well
…….
You have changed a lot, for example, ……..
invite him to come to Hangzhou to pay a visit…….
要求:
①词数:80--100个
②信的开头和结尾已给出, 不计入总词数
③要点齐全, 行文连贯, 可适当发挥
Dear Brian,
How time flies! We have been friends for three years. I'm writing to thank you for your help!
Three years ago, ……
Hope to see you soon!
Yours,
Zhang Ming