在该食物网中,最长食物链含几个环节( ) A.2 B.3 C.4 D.5

题型:选择题

问题:

在该食物网中,最长食物链含几个环节(  )

A.2

B.3

C.4

D.5

考点:食物链和食物网
题型:选择题

根据下列各句句意和空白之后的汉语提示词,在答题卡指定区域的横线上写出对应单词的正确形式,每空只写一词。

小题1:You can get even better deals if you are prepared to ________(讨价还价).

小题2:He left a ____ (留言) on the table before he went to explore the cave.

小题3:They got lost in the desert and______ (挨饿) to death.

小题4:His devotion to his work is ______ (令人钦佩的).

小题5:Coca- cola is a household word ______(遍及) the world.

小题6:The boy is now having his hair cut at the _________ (理发店).

小题7:It is easy to find out the _________ (大概的) idea of the passage.

小题8:That Peter hasn't accepted our invitation is __________ (令人失望的).

小题9:I changed into my sports shoes so that I could walk more ____(舒服地).

小题10:Old Joe kicked the bucket just two days before his ____ (九十) birthday.

题型:选择题

根据句意及首字母提示补全单词。

1.Canada is a l______ country.

2. There are many bowls of p______.

3. — Would you like some f______?

    — Yes, an apple, please.

4. He's h      ___ give him a large bowl of noodles.

5. This is the r      ___ why he is late.

题型:选择题

在建设工程网络计划实施中,某项工作实际进度拖延的时间超过其总时差时,如果不改变工作之间的逻辑关系,则调整进度计划的方法是( )。

A.减小关键线路上该工作后续工作的自由时差
B.缩短关键线路上该工作后续工作的持续时间
C.对网络计划进行“资源有限、工期最短”的优化
D.减小关键线路上该工作后续工作的总时差

题型:选择题

市场细分顺应了( )的转变。

A.买方市场向卖方市场
B.卖方市场向买方市场
C.产品促销向产品本身
D.产品营销向顾客营销

题型:选择题

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