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【多选题】
三体散射回波（TBSS）是强冰雹的典型特征，主要是指( )
A.
强度≥30dBZ
B.
强度≤20dBZ
C.
呈类似细长的钉子状
D.
径向速度很小
E.
从强回波区沿径向伸展
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【单选题】For the (26) month, mysterious falls of large chunks of ice (冰雹) (27) rained down on Spain and Italy. Juana Sanchez, a 70-year-old woman in Almeria, southern Spain, was knocked (28) when she was struc...
A.
Although eyewitnesses to the phenomenon report that they did not see anything in the sky that could account (44) the ice, scientists had to come up with a rationalization. Professor Jesus Martinez Frias, the geologist investigating the ice falls in Spain, told BBC News that the ice pieces had probably been (45) through sudden temperature drops in the stratosphere. This was the most likely explanation, he said, for the "very unusual" phenomenon.
【判断题】易位型21三体患者的易位染色体，如果是由亲代传递而来的，其双亲之一通常是表型正常的染色体平衡易位携带者，其核型为46，一21，＋t(Dq21q)或46，＋t(Gq21q)。（）
A.
正确
B.
错误
相关题目：
【单选题】For the (26) month, mysterious falls of large chunks of ice (冰雹) (27) rained down on Spain and Italy. Juana Sanchez, a 70-year-old woman in Almeria, southern Spain, was knocked (28) when she was struc...
A.
Although eyewitnesses to the phenomenon report that they did not see anything in the sky that could account (44) the ice, scientists had to come up with a rationalization. Professor Jesus Martinez Frias, the geologist investigating the ice falls in Spain, told BBC News that the ice pieces had probably been (45) through sudden temperature drops in the stratosphere. This was the most likely explanation, he said, for the "very unusual" phenomenon.
【判断题】易位型21三体患者的易位染色体，如果是由亲代传递而来的，其双亲之一通常是表型正常的染色体平衡易位携带者，其核型为46，一21，＋t(Dq21q)或46，＋t(Gq21q)。（）
A.
正确
B.
错误
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