2 . 用方框中单词的适当形式完成下列句子，每个单词只能用一次

equality, prepare, lose, admirable, impress, observation, react

1. __________ carefully if any change occurs when doing experiments in the lab.
2. They want all groups to be treated on an __________ basis.
3. Jenny was very sad over the __________ of the photos she shot in Canada.
4. I want to improve my language skills in __________ for further study overseas.
5. There has been a mixed __________ to her appointment as director.
6. The most __________ thing about him is his calm acceptance of whatever comes his way.
7. During the Mid-Autumn Festival, families gather to __________ the moon and enjoy delicious moon cakes.

3 . Olds’ research establishes          of sleep as a cause of weight gain in children, and a possible source of future problems with depression.

A．aid

B．variety

C．lack

D．loss

4 . Today, it’s quite convenient for people to ______ each other by smartphone.

A．put up with	B．catch up with
C．lose in touch with	D．keep in touch with

6 . 词性转换
1. original [adj.] 起初的；独创的；原作的→ ________ [adv.] 原来，起初→________ [n.] 起源
2. medium [n.] 传播信息的媒介，方法;手段，工具 [adj.] 中等的，中号的→________ (复数)
3. horrible [adj.] 令人震惊的；可恶的，极坏的→________ [adv.] 可怕地
4. recover [vi.] 恢复健康；恢复常态 [vt.] 全额收回；寻回；重新获得；恢复，重新控制→________ [n.] 恢复；重获
5. loss [n.] 失去，丧失；亏损；去世；损失→________ [vt.] & [vi.] 丢失；失去；损失→________ [adj.] 迷路的；失去的；丧失的
6. judge [vt.] & [vi.] 评价；判断，认为 [n.] 法官；裁判员→________ [n.] 判断
7. apologize [vi.] 道歉，谢罪→________ [n.] 道歉，谢罪
8. behavior [n.] 行为，举止，态度→________ [vi.] 表现，举止端正 [vt.] 使守规矩
9. ignore [vt.]忽视，对……不予理会→________ [adj.] 无知的→________ [n.] 无知，愚昧
10. explode [vi.] (愤怒等感情)爆发，迸发；爆炸 [vt.] 使爆炸→________ [n.] 爆炸；激增

10 . The small business suffered a huge l________ in the fire that broke out last night, destroying the entire building, and leaving them with nothing but ashes. (根据首字母单词拼写)