哪项不是心脏病孕妇先兆心衰的表现()。
A、心悸、气急、紫绀
B、胸闷、咳嗽
C、休息时心率大于110次/分、呼吸大于20次/分
D、尿量减少
E、发热
参考答案:E
Not only I but also Jane and Mary _____ tired of having one examination after another.
A.is
B.are
C.am
D.be
粉碎机运转时注意轴承温度,冬季不超过()℃,夏季不超过()℃。