精英家教网 > 初中英语 > 题目详情

(2017·浙江温州· 6)________ the scientists have done lots of research on Mars,there is still much waiting to be discovered.

A. If B. Since C. Unless D. Though

练习册系列答案
相关习题

科目:初中英语 来源:山东省东营市2018-2019学年下学期3月月考七年级英语试卷 题型:单选题

--- What will the weather be like tomorrow?

--- It ______ be rainy, cloudy or sunny. Who knows?

A. must B. might C. shall D. should

查看答案和解析>>

科目:初中英语 来源:2018年中考英语热点专题突破训练:单项选择 题型:单选题

一Would you mind going to the park with us this Sunday?

. I haven't been outdoors these days. I can't wait!

A. Sorry, I can't B. Sure, I'd love to

C. Certainly not D. My pleasure

查看答案和解析>>

科目:初中英语 来源:2018年中考英语热点专题突破训练:单项选择 题型:单选题

It’s hard to hold back the tears. This is     thing I’ve ever heard.

A. sad B. sadder

C. saddest D. the saddest

查看答案和解析>>

科目:初中英语 来源:2018年中考英语热点专题突破训练:单项选择 题型:单选题

—These people are really nice.

— Yes, they ______ show respect for our feelings.

A. seldom B. never C. always D. already

查看答案和解析>>

科目:初中英语 来源:2018年中考英语热点专题突破训练:单项选择 题型:单选题

— This photo makes me think of ________ trip to the Great Wall last year.

— Yeah, we had a great time there.

A. a B. an C. the D. /

查看答案和解析>>

科目:初中英语 来源:2018年中考英语热点专题突破训练:单项选择 题型:单选题

The hotel is very old. It’s one of buildings in the city.

A. old B. older C. oldest D. the oldest

查看答案和解析>>

科目:初中英语 来源:2018年中考英语热点专题突破训练:单项选择 题型:单选题

His name is James, but he usually calls____ Jim .

A. he B. him C. his D. himself

查看答案和解析>>

科目:初中英语 来源:江苏省苏州市2018年中考英语语法专题练习21《情景交际》 题型:单选题

一Shall we go for a picnic this weekend?

.

A. Sounds great B. You're welcome

C. You are right D. It's a pity

查看答案和解析>>

同步练习册答案