以下哪些原因会影响排烟风机温度升高()。
A、润滑油过多
B、负载过大
C、循环水不畅通
D、轴承底座松动
参考答案:A, B, C, D
I feel it is you rather than the boy who________for being late for the speech. [ ]
A. is to blame
B. are to blame
C. is to be blamed
D. are to be blamed
女婴,胎龄280天,产钳助产出生,生后全身皮肤苍白,呼吸不规则,心率96次/分,四肢松弛,但弹足底有皱眉。该病儿Apgar评分为()
A.5分
B.4分
C.3分
D.6分
E.7分