单选类Dogs sometimes can warn their owners________. - 免费查看答案和解析 -诚为径搜题找答案

【单选类】

Dogs sometimes can warn their owners________.

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

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30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】

第39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40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】

Paragraph①:

A、

Electronic nose design

B、

Blood sample detection

C、

Molecule structure

D、

Training for dogs

E、

Life-saving ability of dogs

F、

Dogs' ability to detect diseases

点击查看答案