俯卧位时横切靠近腹后壁形态为卵形或豆状结构的器官是（）
A.肾上腺
B.腹腔内隐睾
C.肾
D.腹腔淋巴结
E.胰腺
参考答案：C
Try to spend your time just on the things you find ______.
A．worthing doing them
B．worth being done
C．worthy of being done
D．worthy to being done
税务机关对外省、自治区、直辖市来本辖区从事经营活动的单位和个人申请领购发票的，可以要求其提供保证人或者根据所领购发票的票面限额及数量交纳不超过1万元的保证金，并限期缴销发票。 ( )
