皮皮学，免费搜题
登录
搜题
【简答题】
大熊猫和华南虎都是我国的珍稀保护动物，它们体型相近，曾经同城分布，一度较大的种群数量。由于栖息地破坏导致它们的数量锐减，目前野生大熊猫仅有1600只左右，而华南虎在野外已基本绝迹。 目前，野生大熊猫分布在六个彼此隔离的种群中，通过建立生态廊道沟通各种群，可以使种群间发生（）
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Television ______ a strong ______ children.
A.
is...influence on
B.
has...influence on
C.
is...influence to
D.
has...influence to
【单选题】Other students joined in the protest， and _______ a large crowd gathered outside the building。
A.
after all
B.
as soon as
C.
long before
D.
before long
【单选题】Why were the hostages held?
A.
To protest a decision by Nigeria's government.
B.
To protest new policies by Shell oil company.
C.
To place a new council.
D.
To prevent the opposing ethnic group.
【单选题】When concerned parents protest the excessive sex or violence on television, they often seek control of television from some outside agency. Our research, however, suggests that the most effective cont...
A.
find that their children like to watch those sex or violence TV programs
B.
hope that school or society can do something to control bad TV programs
C.
feel that they can exert some influences on their children at home only
D.
realize that there is a generation gap between them and their children
【单选题】Protesters staged a demonstration to
A.
protest against police.
B.
protest about traffic.
C.
support democracy.
D.
call for an election.
【单选题】美国是全球定位系统发展最早的国家,它选择了 24 颗卫星的中轨道星座,( )发射了第一颗,全系统在 1995 年投入运行,分为军用和民用两种定位模式,其中民用方式向全球开放。
A.
1969 年
B.
1978 年
C.
1981 年
D.
1995 年
相关题目：
参考解析：
知识点：
题目纠错 0
发布
