新生儿心率低于多少次提示有缺氧（）。
A.90次/分
B.100次/分
C.110次/分
D.120次/分
E.130次/分
参考答案：B
要想在学习中保持优秀，就要不择手段压倒对手，把对手成绩搞跨。[ ]
Fair and(1) competition in government procurement around the world is good business and good public policy. Competitive pricing, product(2)and performanceimprovements result from competitive practices and help ensure that government authoritiesget the best (3)for the public they serve.
空白（1）处填（）
A.open
B.continue
C.dependent
D.reliable
