题目内容
（请给出正确答案）
A.A.The deserts are replaced withgrasslands
B.B.The deserts are expanding
C.C.the deserts are moving northwards
D.D.the deserts are being deserted
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更多“What is the situation about th…”相关的问题
第1题
A. is covered with sad and grass
B. has a long history
C. occupies much of South Nigeria
D. belongs to Sudan
第2题
A. making good use of international aids
B. developing a sustainableagricultural economy
C. gaining international support
D. converting agricultural land intoforest
第3题
According to the context，the word "disruption" in Paragraph 6 means
A."Confusion."
B."Tearing apart."
C."Interruption."
D."Flattening."
第4题
？
A.The star's matter will move further away from by the black hole.
B.The black hole's matter will heat up.
C.The torn star's matter will swirl into the black hole.
D.The black hole's matter will release ultraviolet light and X-rays.
第5题
? ？
A.No nuclear explosion would be triggered inside the star.
B.The star would be destroyed completely.
C.Much of the star's matter thrown by the explosion would be beyond the black hole's reach.
D.The black hole would completely devour the star.
第6题
A.whether nuclear reaction would occur.
B.whether the stars would increase its density and temperature.
C.whether shock waves would occur.
D.whether the uneven forces would flatten the stars.
第7题
. Which of the following destructive statements is NOT mentioned in the passage？
A.The black hole could tear apart the star.
B.The black hole could trigger a nuclear explosion in the star.
C.The black hole could dwindle its size considerably.
D.The black hole could devour the star.
第9题
A.the energy to turn a turbine
B.impermeable rock
C.one or two separators
D.turbine operator
E.little or no water
F.hot springs
第10题
A.the energy to turn a turbine
B.impermeable rock
C.one or two separators
D.turbine operator
E.little or no water
F.hot springs
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