The spacecraft is equipped with a shovel-like robotic arm that will be used to dig into the ground and retrieve samples for testing in the lander's small laboratories.

　　The lander was sent to a spot on Mars' northern regions in hopes of finding frozen water, but just how deep underground it would be found was unknown.

　　The robot arm is expected to begin its first digging operations after several more days of testing.

　　Once the arm starts digging, dirt and ice it scoops up will be deposited in several small ovens to be heated. Measuring devices will test the resulting gases.

　　The University of Arizona in Tucson is leading and NASA's Jet Propulsion Laboratory is managing the three-month scientific mission.

　　1．What was the Phoenix lander meant to do?

　　A．To search for frozen water on Mars

　　B．To explore life in outer space

　　C．To study the minerals in the soil．

　　D．To discover new rsouzees in outer space．

　　2．Why did NASA scientists feel worried about the finding?

　　A．Because the ice is too large for NASA scientists to dig up．

　　B．Because it takes some time to deal with the large patch of ice．

　　C．Because it’s impossible for Phoenix lander to conect the ice．

　　D．Because

　　it’s hard to carry the ice back to laboratories on the earth

【2017届英语一轮精品复习导学案：Unit2《The environment》（译林牛津版必修5）】相关文章：

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修4 unit5《Theme parks》

★ 2017届高考英语二轮复习课时训练：22（含解析）

★ 2014届高考英语一轮复习必修3参考答案（外研版）

★ 2017届高考英语二轮复习书面表达限时测验：5（含解析）

★ 2014届高考英语一轮复习课时作业(六)必修1Module 6《The Internet and Telecommunications》（外研版）

★ 四川省2016届高考英语一轮复习课时作业（47） Module 5 The Conquest of the Universe 外研版选修8

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十六)选修6Unit 1《Art》

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（8）模块3 《Unit 8 Adventure》（含解析） 北师大版必修1

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 3 A卷 Word版含解析

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 8 B卷 Word版含解析