单选类The old man was hired to________. - 免费查看答案和解析 -诚为径搜题找答案

【单选类】

The old man was hired to________.

A、

keep the pools of water clean

B、

feed the lovely spring

C、

look after the trees in the forest

D、

manage the town council

查看答案

【单选类】

Dogs can recognize chemical changes________.

A、

to train their sense of smell

B、

to perform search and rescue

C、

which are caused by diseases

D、

who suffer from certain cancers

E、

which molecules go with cancer

F、

by recognizing certain blood samples

点击查看答案

【单选类】

第38题答案是

A、

different

B、

hopefully

C、

prevent

D、

believe

E、

actually

F、

protection

G、

valuable

H、

beautiful

I、

use

J、

issues

K、

autumn

L、

slightly

点击查看答案

【单选类】

第28题答案是

A、

She wanted it to be the last time.

B、

She couldn't stay up late on weeknights.

C、

Gabi planned to go travelling next summer.

D、

This meant she had to go to summer school.

E、

Gabi has to master the material in six weeks.

F、

They could have the whole summer free from schoolwork.

点击查看答案

【单选类】

To design an e-nose, scientists must find out________.

A、

to train their sense of smell

B、

to perform search and rescue

C、

which are caused by diseases

D、

who suffer from certain cancers

E、

which molecules go with cancer

F、

by recognizing certain blood samples

点击查看答案

【单选类】

第31题答案是

A、

different

B、

hopefully

C、

prevent

D、

believe

E、

actually

F、

protection

G、

valuable

H、

beautiful

I、

use

J、

issues

K、

autumn

L、

slightly

点击查看答案