下列属于动物先天性行为的是: A.蜘蛛结网 B.猴子骑车 C.谈虎色变 D.老马

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问题:

下列属于动物先天性行为的是:

A.蜘蛛结网

B.猴子骑车

C.谈虎色变

D.老马识途

考点:先天性行为和学习行为探究实验:菜青虫的取食行为探究实验:动物的绕道取食
题型:选择题

Most Canadian families love to have holidays   summer. Summer is a good season   holidays. It is very hot during the months of July and August. Children do not have any classes during these   months.

Some    like to stay at home during the holiday. They work in the garden, visit friends,    books, or    TV. Many families    their lunch to a park or somewhere far   the city. They like to eat where there are many trees or there is a nice lake. If they live near the sea, they often go to the beach. They can fish, swim or enjoy the sun there.

Canada is a large country. Many families travel by    or by train to see interesting places. They also travel by plane to a foreign country. Many big cities have many famous buildings, theatres, shops and other places   travelers.

小题1:A. for            B. in             C. on

小题2:A. to             B. of             C. for

小题3:A. one            B. two           C. three

小题4:A. people         B. peoples        C. man

小题5:A. see           B. watch         C. read

小题6:A. see            B. watch         C. look

小题7:A. takes          B. take           C. look

小题8:A. from          B. away           C. to

小题9:A. car            B. a car           C. their car

小题10:A. for            B. in            C. on

题型:选择题

—Have you ever been to China?          

—Sure.  I just_____ there last year.          [ ]

A. has gone    

B. go          

C. gone            

D. went

题型:选择题

(2011江苏宿迁,21,8分)已知实数a、b满足ab=1,a+b=2,求代数式a2b+ab2的值.

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腰椎结核

A.X线表现方椎畸形
B.X线表现椎间隙变窄
C.X线表现椎体破坏,椎间隙变化不明显
D.X线显示脊柱呈竹节样改变
E.多椎体楔形变

题型:选择题

下列关于权利质权的表述,不正确的是()。

A.汇票可以质押

B.提单可以质押

C.依法可以转让的股票可以质押

D.公路渡口的收益权不可以质押

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