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拆解训练学霸·组合训练
samples are priceless,and so you can understand why NASA was unwilling to publish them.
The team planted seeds in tiny pots that each held about a gram of dirt.Four pots were filled
with samples returned by Apollo 11,another four with Apollo 12 samples and a final four with
dirt from Apollo 17.Another 16 pots were filled with earthly volcanic material used in past
experiments to copy moon dirt.All were grown under LED lights in the lab and watered with
nutrients.
"Nothing really compared to when we first saw the seedlings as they were coming up in the
lunar dirt,"says Anna-Lisa Paul,a plant biologist."That was a moving experience.We could
not speak when we watched the very first plants growing in unique materials."
Plants grew in all the pots of lunar dirt,but none grew as well as those planted in earthly
material."The healthiest ones were just smaller,"Paul says.The moon-grown plants were tiny.
Faced with that,explorers need to do more research to let plants grow strongly on the moon.I
believe we will succeed in time.
()1.What does the research on plants grown in the lunar dirt show?
A.Growing foods on the moon is necessary.
B.Skills are the key to farming on the moon.
C.Farming on the moon is affected by many factors.
D.Astronauts want to grow food on their own.
()2.What can we learn from what Barker said?
A.Some plants need planting in special soils.
B.Botanists are interested in studying new things.
C.It is a selfish action for NASA to keep the secret.
D.The samples brought from the moon are valuable.
()3.What does the author think of planting on the moon?
A.It is practical.
B.It is hopeful.
C.It only attracts astronauts.
D.It challenges most experts.
()4.What is the best title for this text?
A.The First Plant Has Been Grown in Moon Dirt
B.Astronauts Have Brought Things Worth Spreading
C.Botanists Have Found a New Kind of Plant Lately
D.Farming on the Moon Has Been Accepted by People
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学霸·组合训练|英语·高一上