题型：问答题 简答题 根据课文内容，完成下列任务。A. 完成下列表格,每空词数不限. How to ask politelyBADGOODWhere are the potato chips?Could you please tell me (1)__________? There's no milk left, is there? Excuse me. Do you know (2)____________?How does this work? Can you show me (3)_____________?Give me a pound of that. (4)_____________, please?B. 完成下列句子,每空词数不限.5. It is a very common and necessary activity to _____________.6. Knowing _____________ is important.7. We should change _____________we speak when talking with different people.84. The expressions you use might depend on ___________ you are speaking to or __________ you know them.9. If you stop a stranger in the street, we might first say "Excuse me. __________" or "I'm sorry to trouble you but," before asking them for help. 查看答案
题型：问答题 简答题 肾上腺皮质激素诱发和加重感染的主要原因是（）A.抑制炎症反应和免疫反应，降低机体的防御功能B.抑制ACTH的释放C.病人对激素不敏感而未出现相应的疗效D.促使许多病原微生物繁殖所致E.用量不足，无法控制症状而造成 查看答案