2011年1月以来,洞庭湖区累计降水比历年同期偏少五六成,到5月17日洞庭湖水体面积仅为382平方公里。洞庭湖腹地昔日一望无际水域的地方,现在却变成了一片辽阔的绿色草地,犹如南方的“呼伦贝尔草原”。为准确及时地监测并分析洞庭湖区水位变化,采用的现代化技术是( )①地理信息系统 ②全球定位系统 ③遥感技术 ④雷达系统
﹣Can you tell me _______ come to Tongren?
﹣By air.( )
when you
when do you
how you
how do you.
﹣Would you mind _______ the electric fan,Alice?﹣Of course not.It is so hot here.( )
turn off
turn on
turning off
turning on
﹣What's in the picture?
﹣There _______ a teacher and some students playing games on the playground.( )
is
are
has
have
﹣How does your father go to work every day?
﹣He used to _______ a bus but now he is used to _______.( )
take;walk
taking;walking
taking;walk
take;walking
The apartment has _______ floors and Mr.Smith lives on the _______ floor with his family.( )
twelve;twelve
twelfth;twelfth
twelve;twelfth
twelfth;twelve