国际通货的多元化，有利于世界经济的稳定。 

学习如何谈论差旅事宜，选择正确的词或短语填入相应的位置。

1．The taxi driver took me all the way to the airport. I didn't give him a    1    .

2．I got to the    2     ten minutes before take-off. Fortunately the plane was late.

3．I had a very heavy suitcase and two pieces of    3    .

4．The suitcase and one of the other bags were too heavy and I had to pay an    4     charge.

5．I wanted a window seat but I could only get an    5     seat.

6．The weather was bad and I had to wear my    6     all through the trip.

7．The first plane arrived very late and so I missed my    7    . I waited three hours in the airport for another flight.

8．At last I arrived at my hotel. They could not find my    8    .

试述完全竞争市场上短期均衡的实现过程和特点。

商业信用的两种基本形式是（ ）

试述财政政策、货币政策的运用。

储蓄函数：（　）

I really ______ the effort you have put in on your team's current project. 

在私有制商品经济中，商品生产者，无论是生产什么，生产多少，如何生产，都有独立的自主权，这说明生产者生产商品的劳动就有社会劳动的性质（   ）。

维护党中央权威和集中统一领导，（ ）的是坚决维护习近平同志党中央的核心、全党的核心地位。

在威尔逊看来，（ ）是国家在个别和细微事项方面的活动。