降低经营杠杆系数，从而降低企业经营风险的途径是（）。

The contract is very important for our company, so let's ______ the details carefully.

A．go after

B．go off

C．go through

D．go for

— Let’s make plan first for our events, shall we？.

— ________________

A、Yes, we do.

B、OK, let’s do it.

C、I’d like to.

Let’s ______ our plan.

A、start

B、started

C、starting

听力原文：W: We really must go to the new movie in town.

M: Let's eat first.

Q: What does the man want to do？

(19)

A．Eat before seeing the movie.

B．See the movie immediately.

C．Get the first theater seat.

D．Stay in town for a while.

(Let's not) waste time on (matters of no important). We have other (vital) problems to (deal with).

A．Let's not

B．matters of no important

C．vital

D．deal with

(Let's not) waste time on (matters of no important). We have other (vital) problems to (deal with).

A．Let's not

B．matters of no important

C．vital

D．deal with

(Let's not) waste lime on (matters of no important). We have other (vital) problems to (deal with).

A．Let's not

B．matters of no important

C．vital

D．deal with

(Let's not) waste time on (matters of no important). We have other (vital) problems to (deal with).

A．Let's not

B．matters of no important

C．vital

D．deal with