∵关于x的不等式组x>a+5x<2无解,
∴a+5≥2,
解得:a≥-3,
故答案为a≥-3.
根据列车车次划分,501-599为()列车。
A、回空
B、救援
C、专运
D、临时
The second constriction of ureter lies at ().
A.prostatic portion of urethra
B.membranous part of urethra
C.where it crosses superior aperture of lesser pelvis
D.where it pierces into the unrinary bladder
E.internal urethral orifice