Pollutionisaseriousproblem.Sci

更新 2022-09-03
科目英语
题型单选题
难度较难
浏览 2045

挑错有奖

Pollution is a serious problem. Scientists have _____ some good ways to save it.

A．come up with

B．come on

C．come out

D．come up

登录免费查看答案和解析

相关试题

--- Is Jane from _______ European country?
---No ,she is ________ American.
A. a ; the B. a; an C. an, the

题型：未知
难度：未知

收藏答案/解析

— Is Spanish similar _____ Italian?
— Not really.
A. to B. with C. For

题型：未知
难度：未知

收藏答案/解析

-- We’d better ________ the electricity when you are not using it.
-- You’re right.
A. cut down B. shut off C. think about

题型：未知
难度：未知

收藏答案/解析

--Wild animals are important for us and we should care for them well.
-- ________ We should do something to protect them.
A. I’m not sure.
B. You’re right.
C. Sorry to hear that.

题型：未知
难度：未知

收藏答案/解析

Working in strong light makes people feel terrible and is ________ bad for eyes.
A. nearly B. hardly C. especially

题型：未知
难度：未知

收藏答案/解析