循环系统病人出现呼吸困难最常见原因是A．急性心肌梗死B．高血压性心脏病C．急性右心衰竭D．急性左心

— Do you think I could borrow these magazines？ — _______

A、No, you can’t.

B、You could borrow other magazines.

C、The magazines aren’t here now.

D、I’m sorry, but the magazines you want are out.

A．Yes，you may borrow

B．Yes，you could

C．Yes，help yourself

D．Yes，go on

—Do you think I could borrow your dictionary？ —()().

A、 Yes you may borrow

B、 Yes go on

C、 Yes help yourself

D、 It doesn't matter

—Do you think I could borrow your dictionary？ —______.

A．Yes, you may borrow

B．Yes, you could

C．Yes, help yourself

D．Yes, go on

—Do you think I could borrow your dictionary this weekend？

—Sorry, but _______

A、you can not have it right away.

B、I'm sure you'll like it.

C、I'm going to need it myself.

D、the dictionary is just there.

A．A.Yes,you may borrow

B．B.Yes,you could

C．C.Yes,go on

D．D.Yes,help yourself

-- Do you think I could borrow your bicycle？

A．How come？

B．Take your time.

C．Yes, go on.

D．Yes, help yourself.

A、you can not have it right away.

B、I'm sure you'll like it.

C、I'm going to need it myself.

D、the dictionary is just there.

A、Yes, help yourself.

B、It doesn’t matter.

C、Yes, you may borrow.

D、Yes, go on.