零五网 全部参考答案 亮点给力提优课时作业本答案 2026年亮点给力提优课时作业本九年级英语下册译林版 第49页解析答案
(
B
)1. Ancient people studied stars carefully to make calendars, know farming time, and
guide ships at night.

A.just
B.even
C.never
D.almost
答案:1. B
(
D
)2. At that time people
not see the night sky as clearly as we do now.

A.may
B.can
C.must
D.could
答案:2. D
(
A
)3. At present people around the world
China's Fengyun satellites(卫星) because they send warnings about natural disasters in time.

A.admire
B.confirm
C.express
D.promise
答案:3. A 【解析】根据“because they send warnings about natural disasters in time”可知,风云卫星能及时发送自然灾害预警,因此受到人们的赞赏。admire意为“赞赏”,符合语境。
(
D
)4. Fengyun's ability to collect information is
to scientists who study weather.

A.ready
B.certain
C.similar
D.valuable
答案:4. D 【解析】句意:风云卫星收集信息的能力对研究天气的科学家来说很有价值。valuable意为“有价值的”,符合句意。
(
B
)5. “Keep learning is important; otherwise, you won't understand the changing world.”
The word “otherwise” in the sentence is to
.

A.show time
B.show cause and effect
C.show compare or contrast
D.add more information
答案:5. B
(
A
)6. Major hi-tech companies have
free online computer courses to teach students in the countryside new skills.

A.set up
B.put up
C.given up
D.cleaned up
答案:6. A 【解析】句意:主要的高科技公司已经开设免费的在线计算机课程,向农村地区的学生传授新技能。set up意为“设置,开设”,符合句意。
(
C
)7. Scientists have used energy from the sun to
drinking water from seawater, helping many people without enough clean water.

A.check
B.invent
C.produce
D.control
答案:7. C 【解析】句意:科学家们利用太阳能从海水中生产饮用水,帮助了许多没有足够的清洁水源的人。produce意为“生产”,符合句意。
(
C
)8. —Hi, Lisa! Good news! We will have a 5-day spring break!
—Yes! That is today's hottest
on the internet.

A.speech
B.lesson
C.subject
D.vacation
答案:8. C
(
A
)9.
we have spare time, we can exercise outdoors and enjoy nature.

A.If
B.Until
C.Before
D.Though
答案:9. A
(
D
)10. —Several new pocket parks
in Qinhuai District over the years.
—Great! Let's take a walk there.

A.open
B.opened
C.were open
D.have been open
答案:10. D
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