羊毛8% 棉61.2%
羊绒16% 涤纶32.4%
氨纶3.4%
Do you basketball your classmates after school?
①这个实验中,不同的条件是。
②观察到的现象,空气中;潮湿处。
③通过分析,我知道铁在中容易生锈,和是铁生锈的主要原因。
④防止铁生锈的方法有、、等。
often tomatoes potatoes fruit twice
p | o | t | a | t | o | e | s |
a | e | i | l | w | f | p | t |
b | f | r | u | i | t | q | r |
c | g | j | m | c | e | w | v |
d | h | k | n | e | n | s | y |
t | o | m | a | t | o | e | s |
A. people on bikes must wear one. B. I often come to school by bike. C. How do you come to school? D. pay attention to the traffic lights! E. Don't go at the red light! |
Mike:
Amy: I usually come to school on foot. What about you?
Mike:
Amy: What's this? A helmet?
Mike: Yes, In the USA
Amy: I see. Do you know any traffic rules?
Mike: Of course.
Amy: Great! We must