（）是新时代我国对外工作的根本遵循和行动指南。

A. We are so glad to know We are so glad to know you are interested in our product.
B. Our products have been exported to customers all over the world
Can you place your order as soon as poosible?
D. Thanks for your attention
E. Thank you for visiting our store
F. Many thanks for your inquiry
G. What quantity do you require
H. We have this item in stock
I. How many do you want
J. Thanks for your inquiry
K. What is your purchase quantity?
L. They are hot selling items, and the product has a high risk of selling out soon
M. Waiting for your reply
N. I look forward to your reply. please do not hesitate to contact us.
O. There are a lot of stock in our store.
P. Regards!(Best Regards!)
Q. Thank you

A. 7.30~7.40
B. 7.35~7.45
C. 7.40~7.50
D. 7.30~7.50
E. 7.45~7.55

A. 先增强后减弱
B. 先减弱后增强
C. 减弱
D. 增强
E. 不变

A. 代谢性酸中毒
B. 代谢性碱中毒
C. 呼吸性酸中毒
D. 呼吸性碱中毒
E. 混合性酸中毒