1 . Each class needs to select two students to ______ their class to take part in the contest.

A．reflect

B．decline

C．detect

D．represent

2 . When they were arguing with each other, I seemed to ________ some anger in their voices

A．detect

B．guarantee

C．cheat

D．assign

3 . When another bean plant d________(察觉) the chemicals from its injured neighbour, it starts to release its own, different chemicals. (根据中英文提示填空）

4 . We are confident that we we can manage to solve the problems __________ from the disagreement.

A．raising

B．arising

C．tending

D．detecting

5 . 选择适当单词填空，使句意合理。(有一个多余选项)

integrated   potential   detect   prohibit   artificial secure   ongoing   liquid   signal

1. Colorful pictures are ______ into the text to make the book more informative.
2. You must ______ which way you are going to turn.
3. On the surface she seems quite a pleasant woman, but there’s something very ______ about her.
4. The new test should enable doctors to ______ the disease early.
5. Only in the mid-1990s did efforts to reduce the ______ violence achieve some success.
6. She screamed as the boiling ______ burned her skin.
7. It’s wrong to regard all soccer fans as ______ trouble-makers—it’s only a small minority who are responsible for the violence.
8. Leaders of all states continued their efforts to ______ a ceasefire.

6 . He was told that it was too late to cure his disease because this type of cancer is difficult to ________ in its early stages.

A．wander

B．suspect

C．seize

D．detect

7 . If a water pipe starts leaking, or if there is a short in the electrical wiring, your smart home will d________ it and provide you with the relevant information. （根据首字母单词拼写）

8 . 英汉互译
1. food packaging________________
2. use-by date________________
3. ________________v. 探测;察觉
4. electronic adj. ________________electrical adj. ________________
5. ________________环保的