采用湿法脱硫工艺的火电机组,脱硫后的烟气比未脱硫的烟气在大气中爬升高度要()。
A、高
B、低
C、一样
D、不确定
参考答案:B
Natural disasters are happening more frequently than before; the whole world should work together to respond.
A.moreover
B.effectively
C.meanwhile
D.consequently
五十九岁男性,3天前晨睡眠醒来出现眩晕呕吐,饮水呛咳,频繁呃逆,右眼裂缩小,右侧面部及左侧上下肢、躯干痛觉减退,走路不稳,同时睡眠增多。
该患者病变的血管最可能是()
A.小脑上动脉
B.小脑前下动脉
C.小脑后下动脉
D.大脑后动脉
E.脉络膜后动脉