读“安第斯山西坡不同地带垂直景观略图”，完成5～6题。 5．甲、乙、丙景观体现的地域分异规律是（ ） A.纬度地带分异规律 B.干湿度地
Some parts in south China have experienced _____ this year as they did last year. A. twice as much rain B. rain twice as much C. as twice much rain
It was 1969___ the American astronauts succeeded in landing on the moon. A. that B. when C. on which D. which
人、噬菌体、烟草花叶病毒及根瘤菌中遗传物质的核苷酸分别有多少种？ A．8、4、4、8 B．4、4、4、4 C．5、4、4、5 D．8
地图上指向标的箭头通常指向（ ） A、东方 B、南方 C、西方 D、北方
