解析: 1.英語動詞根據(jù)詞義可分為兩種,一種是延續(xù)性的,一種是終止性的,終止性動詞(也可稱為非延續(xù)性動詞,瞬間動詞,或點動詞),如begin,start,die,buy,leave, come等,表示動作的發(fā)生與結(jié)束于一瞬間完成,不能再延續(xù),所以它的現(xiàn)在完成時不能和表示延續(xù)的時間狀語連用,即不能與表示一段時間的狀語,for+時間段, since+時間點/從句連用,也不能用在how long引導的特殊疑問句中. eg. I've left Shanghai for three days.(×) I've been away from Shanghai for three days..I left Shanghai three days ago. It is /has been three days since I left Shanghai. 查看更多

 

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暑假即將來臨,某校學生會打算在假期舉行為貧困地區(qū)和受災地區(qū)的孩子們奉獻愛心的活動。請你用英語寫一封倡議書,號召同學們用力所能及的方式伸出援助之手,奉獻自己的愛心。

要求:

1、文中應包含:至少兩種幫助方式:這樣做的目的和意義。

2、字數(shù)80~800;短文的開頭已給出,不計入總詞數(shù)。

Dear schoolmates,

While we are sitting in our bright classroom, remember there are lots of children in the poor and disaster areas needing our help badly. Summer vacation is coming. Let’s do something to help them.

As students, ___________________________________________________________________

___________________________________________________________________________________

___________________________________________________________________________________

___________________________________________________________________________________

___________________________________________________________________________________

___________________________________________________________________________________

_____________________________________________________

Student’s Union

June 13, 2008

 

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暑假即將來臨,某校學生會打算在假期舉行為貧困地區(qū)和受災地區(qū)的孩子們奉獻愛心的活動。請你用英語寫一封倡議書,號召同學們用力所能及的方式伸出援助之手,奉獻自己的愛心。
要求:
1、文中應包含:至少兩種幫助方式:這樣做的目的和意義。
2、字數(shù)80~800;短文的開頭已給出,不計入總詞數(shù)。
Dear schoolmates,
While we are sitting in our bright classroom, remember there are lots of children in the poor and disaster areas needing our help badly. Summer vacation is coming. Let’s do something to help them.
As students, ___________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
___________________________________________________________________________________
_____________________________________________________
Student’s Union
June 13, 2008

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暑假即將來臨,某校學生會打算在假期舉行為貧困地區(qū)和受災地區(qū)的孩子們奉獻愛心的活動。請你用英語寫一封倡議書,號召同學們用力所能及的方式伸出援助之手,奉獻自己的愛心。

要求:

1、文中應包含:至少兩種幫助方式:這樣做的目的和意義。

2、字數(shù)80~800;短文的開頭已給出,不計入總詞數(shù)。

Dear schoolmates,

While we are sitting in our bright classroom, remember there are lots of children in the poor and disaster areas needing our help badly. Summer vacation is coming. Let’s do something to help them.

As students, ___________________________________________________________________

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________                                                           

 Student’s Union

                                                                  June 13, 2008

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       暑假即將來臨,某校學生會打算在假期舉行為貧困地區(qū)和受災地區(qū)(disaster area)的孩子們奉獻受心的活動。請你用英語寫一封倡議書,號召同學們,用力所能及的方式伸出援助之手,奉獻自己的愛心。

       要求:1.文中應包含:至少兩種幫助方式;這樣做的目的和意義。

          2.字數(shù)80-100;短文的開頭已給出,不計入總詞數(shù)。

Dear schoolmates,

       While we are sitting in our bright classroom, remember there are lots of children in the poor and disaster areas needing our help badly. Summer vacation is coming .Let’s do something to help them.

       As students,                                                                

                                                                              

                            Students’ Union

20080619

 
                            June 13,2008

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在“探究花生果實大小的變異”活動中,某小組提出了以下四種測定花生果實大小的取樣方法,其中最佳的方法是


  1. A.
    在大花生中取30粒較大的,在小花生中取30粒較小的
  2. B.
    在大花生中取1粒最大的,在小花生中取1粒最小的
  3. C.
    在大、小兩種花生中分別隨機取1粒
  4. D.
    在大、小兩種花生中分別隨機取30粒

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