单选题A large supply of spare parts is very expensive, so a company ______.A will try to keep as many as it canB will try to keep as low as it canC will try to make them all by itselfD will try to deliver it quickly

Encourage your children to try new things, but try not to ___ them too hard.

A. draw B. strike

C. rushD. push

A、meet

B、get

C、make

—It’s very important ___________ us to make a plan before a new term.

—Yes. You must try to make it carefully.

A. of B. for C. to

设有结构体类型定义： struct try { int one; float two; }*str;若要动态开辟一个结构单元，使指针str指向其首地址，正确的语句是______。

A．str=(try*)malloc(sizeof(try));

B．*str=(struct try*)malloc(sizeof(struct try));

C．str=(strucy try*)malloc(sizeof(struct try));

D．str=(struc try)malloc(sizeof(struct try));

“I usually go to work by bus.”“Why notby bike for a change?”()

A. trying to go

B. try going

C. to try going

D. try go

Encourage your children to try new things, but try not to _________ them too hard.

A．draw

B．strike

C．rush

D．push

You can try these methods to keep your interview anxiety()control.

A. under

B. on

C. with

(A)try on

(B) try in

(C) try out

(D) try for

Try to spend your time just on the things you find _________. 

 A. worth doing them B. worth being done C. them worth doing D. worth doing

Write some bash commands to list all the php scripts (*.php) in the current directory and its

sub-directory. Try to use as many different methods as possible.