题干
补全对话
Tom (T): Mary,____
Mary (M): Sure, Tom.
T:____
M: My birthday party is on June 1st.
T: OK.____
M: The basketball game? Oh, it's on June 2nd.
T: Good. And, hmm...____
M: The school trip is on February 27th.
T:____
M: Oh, that's on Monday, February 28th.
A. How about the school trip? B. When is the basketball game? C. When do you have the speech contest? D. When is your birthday party? E. Can you help me find the calendar (日历）? |
答案(点此获取答案解析）
E,D,B,A,C
2SO3(g)，从正方向开始，并达到了平衡。此时SO2和O2的物质的量之比为2∶1；若采取某种措施，导致SO2和O2又消耗了一些，并再次达到平衡，下列说法正确的是 （ ）
