阻断α受体的药物可引起肾上腺素作用的____。
参考答案：翻转
She ________ down her book and ________ in bed.
A．laid; lay
B．lay; laid
C．lay; lay
D．laid; laid
—Would you please tell me _____ next?
—Think it over. You'll find a good way. [ ]
A. when to do
B. how to do
C. what to do
D. where to do
