大學(xué)英語(yǔ)章節(jié)練習(xí)(2020.03.19)

來(lái)源：考試資料網(wǎng)

1 Economics, several courses of which I have taken thus far,（）to be difficult but useful for almost all students。

2 If the tiger had not had this disability it would have undoubtedly stayed in the jungle and hunted for food in the（）way.

3 You didn't have to write the essay if you didn't want to. It was（）

4 It is（）to reserve a seat on this train.

5 We（）to deliver the goods within a week.

6 In the advanced course students must take performance tests at monthly（）

7 Technology is to the development of the modern society a matter of（）importance.

8 Stamping on any country's national flag is an（）to its people.

9 This machine works very well so long as no one（）with it.

10 Antarctica is the most（）continent on the planet.