2010年5月1日,上海世博会开幕.如图所示是上海世博会门票,门票中有中国自主知识产权的芯片——“世博芯”,它记录着参观者的资料,并能以无线方式与遍布世博园区的传感器交换信息.在交换信息时,应用了大量的物理知识,下列知识得到应用的是
﹣﹣﹣I don' t know______we will go.
﹣﹣﹣Why not? We will go to the beach for a picnic.( )
Where
When
how
﹣﹣﹣What do you usually do before going to bed?
﹣﹣﹣I______.( )
used to write diaries
am used to sleeping
am used to reading
The environment will be much worse______everyone has a sense of protecting it.( )
unless
if
so that
﹣﹣﹣Do you know his birthday, Eric?
﹣﹣﹣Not exactly. I just know he was born______.( )
On July 1
in the 1980s
On 1 July, 1980
﹣﹣﹣______a big clock on the wall?
﹣﹣﹣Yes, but it was broken in the earthquake.( )
Have you got
Did you have
Was there