The speaker had an orange parachute on that day.
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During her first jump, the speaker was first terrified, then excited, and she ended up looking forward to the next jump.
A. 对
B. 错
致密斑是()靠近毛细血管球处的血管壁上皮细胞特化形成的。
A. 近曲小管
B. 远曲小管
C. 集合管
D. 细段
排泄器官包括()和()两部分。
A. 排尿部
B. 泌尿小管
C. 肾间质
D. 泌尿部
肾单位是由()构成的。
A. 肾小体
B. 肾小球
C. 肾小管
D. 肾小囊