急性中度一氧化碳中毒的特点是:()
A.碳氧血红蛋白饱和度在30%-40%
B.脉搏增快
C.嗜睡及昏迷
D.口唇紫绀
E.肌肉张力增高
参考答案:A, B, C, D, E
According to the artists,the painting _______ to go for at least a million dollars.
A. expects
B. is expecting
C. will expect
D. is expected
CFG桩质量控制的主要对象是:()、()、()这三项指标。