Asisknowntoall,theoryisbasedon

As is known to all, theory is based on practice and _____ serves practice.

A．in hand

B．in turn

C．in return

D．in exchange

登录免费查看答案和解析

相关试题

____ I admit the problems are difficult, I don’t agree that they can’t be solved.

A．Until

B．While

C．As

D．Unless

收藏答案/解析

---You were out when I dropped in at your house.
--- Oh, I ____ for a friend from England at the airport.

A．was waiting	B．had waited
C．am waiting	D．have waited

收藏答案/解析

This is the first favour I’ve ever asked ____ you.

A．for

B．from

C．of

D．about

收藏答案/解析

Now we can pick up ____ weather information from a new type of ____ weather satellite.

A．the, /

B．the, the

C．/, /

D．/, a

收藏答案/解析

--- London Bus Service, how can I help you?
--- Hi, I’d like to rent a bus which can ____ 40 people for our trip to Cambridge.

A．load

B．hold

C．fill

D．support

收藏答案/解析