mind.

A. target B. refund C. pause D. witness

【答案与解析】A。句意为：当你启动一个广告宣传活动的时候，你必须在脑海里有一个清晰的广告目标和目标受众体。target瞄准，对准，把...对准（某群体）； refund退还，偿还；pause 停止，中止，歇气；witness亲眼看见，目击，目睹。四个选项都可以由名词转换为动词但是含义不同。故选A。

2. Several times she appeared suddenly with her hands full of candy and nuts, which she would ______ joyfully to us.

A. donate B. submit C. distribute D. abandon

【答案与解析】C。句意为：她几次突然出现手里都是糖果和坚果，她很乐意地分发给我们。distribute分配，分给，分发，配给；donate捐赠，捐献；submit提交，委托，提出，提供；abandon遗弃，放弃。故选C。

3. This area is rich in hot sun and cold winds, so water the plant regularly, never letting the soil _____.

A. dry up B. die out C. die down D. dry out

【答案与解析】D。句意为：这个地区长期有火辣辣拉的太阳和寒风，所以要定期地给作物浇水别让土壤干透了。dry out（使）变干，干透；dry up （河流，水井等）干涸；die out死光，灭绝，消失； die down逐渐（变弱）。故选D。

4. When all the excitement had _____, it was clear that there had been no real excuse for anxiety.

A. settled up B. settled down C. settled upon D. settled with

【答案与解析】B。句意为：那场惊慌完全平息后才弄清楚，根本没有值得忧虑的理由。settle down平息，停息，平静下来；settle up 结账，了结某事； settle upon（对...）决定，选定； settle with与...达成协议（成交）。 故选B。

5. I consider it my duty to help those _____. Whatever others say, I won't stop.

A. in need B. in charge C. in return D. in place

【答案与解析】A。句意为：我认为帮助那些困难的人是我的责任。无论别人说什么，我不会停止。in need 处于贫困之中，需要； in charge负责，管理； in return为了回报；in place在其原有位置，得体。故选A。

6. Please be here at seven ______. Otherwise, you would miss the best time to have a face- to-face interview with the chief engineer.

A. steep B. voluntary C. sharp D. remote

【答案与解析】C。句意为：请七点整到这里来。否则，你就错过了与总工程师面对面的交谈机会。sharp 作形容词时意思为"锐利的，锋利的"，作副词时，意思为"(时间)整，准"；steep陡急的，峻峭的，险峻的； voluntary自愿的，自发的，自动的； remote遥远的，远距离的，偏僻的，边远的。故选C。

7. There is only one word to describe the best swimming athlete from China- _______, for her swimming is quite swift and impressive.

A. awful B. awesome C. troublesome D. pure