()是日本庭园诞生的源流。
A. 磐境神篱庭园
B. 寝殿庭园
C. 枯山水庭园
D. 回游庭园
The pilot said he ()our vessel directly to the berth.
A. will take
B. took
C. is taking
D. would take
氡(α衰变)半衰期为4天,经过8天后,其剩余量为()
A. 1/2
B. 1/4
C. 1/8
D. 1/16
肺灌注动态显影常应用的放射性核素显影的种类是()
A. Xe131
B. Tc99m
C. Tl201
D. Ga
E. In111