1 . Before the introduction of the seed drill, the convenient tool, a common ________ was to plant seeds by hand.

A．server

B．device

C．item

D．practice

2 . Students vary in the speed and manner in which they appreciate new ideas and ________ skills.

A．require

B．acquire

C．train

D．value

3 . A rise in gas prices will speed up the search for ________ energy sources.

A．experimental

B．identical

C．alternative

D．original

4 . Current teaching approaches are trying to engage students to ________ what they learn rather than forcing them to memorize dry facts.

A．prioritize

B．digest

C．ruin

D．assist

5 . The construction of a new airport will definitely ________ the development of local tourism.

A．engage

B．process

C．facilitate

D．emphasize

6 . If you study at a desk most of the day, it’s crucial to get up and stretch ________.

A．periodically

B．ultimately

C．especially

D．individually

7 . Authors use charts to ________ concepts because they are an effective way of revealing relationships and clarifying connections.

A．regenerate

B．illustrate

C．shorten

D．recognize

8 . If the ________ project is successful, the program will be expanded to many more cities.

A．annual

B．pilot

C．distant

D．advanced

9 . Even though my cousin got many ________ from the universities, he carried on applying without being discouraged.

A．applications

B．collections

C．observations

D．rejections

10 . We hope that the science fair will ________ enthusiasm about science and math.

A．stream

B．cooperate

C．generate

D．applaud