[单选题]

A．lthough they plant trees in this area every year, the tops of some hills are still  _______.

   A) blank         B) hollow            C) vacant              D) bare

 

参考答案与解析：

相关试题

We plant and care for trees( )the many benefits they give us.

[单选题]We plant and care for trees( )the many benefits they give us.A.in connectio

  • 查看答案

    • The synthetic fibers produced in that big plant( )one third of all the fibers turned out in the area

    [单选题]The synthetic fibers produced in that big plant( )one third of all the fibe

  • 查看答案

    • Many trees in this area have been_to make room for buildings which has worsened our living environme

    Many trees in this area have been_to make room for buildings which has worsened

  • 查看答案

    • E A rainforest is an area covered by tal

    [单选题]E．A． rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below l6℃．Rainforests have a great effect on the world environment because they can take in heat

  • 查看答案

    • _____________ we plant, ________________

    [单选题]_____________ we plant, _________________our city will be.A． The more trees, the beautiful B. The less trees, the more beautifulC． The more trees, the more beautiful D. The less trees, the beautiful

  • 查看答案

    • The term “plant neurobiology” was around the notion that some aspects of plant behavior could be t

    The term “plant neurobiology” was around the notion that some aspects of plant

  • 查看答案

    • ()和RA(Routing Area)的概念类似,用于 EPC£¯E£­UTR

    [主观题]()和RA(Routing Area)的概念类似，用于 EPC/E-UTRAN网络内，由多个小区组成，可包含多个eNB的小区，用于用户的()。

  • 查看答案

    • OSPF网络，Area0有A、B、C、D、E五个路由器，area1有R、T、S三

    [问答题] OSPF网络，Area0有A、B、C、D、E五个路由器，area1有R、T、S三个路由器。S路由器是边界路由器（ABR）。那些路由器是T所能感知的？

  • 查看答案

    • 流域面积（watershed area；catchment area）

    [名词解释] 流域面积（watershed area；catchment area）

  • 查看答案

    • 诱发植物（evocator plant）

    [名词解释] 诱发植物（evocator plant）

  • 查看答案