开放式基金认购申请一经正式受理，不得撤销。
参考答案：对
解析：一般情况下，开放式基金认购申请一经正式受理，不得撤销。
Read and complete the tables. (读一读，填写表格)
-How many pencils do you have?
-I have 18.
-How many books do you have?
-I have 20.
-How many bags do you have?
-I have 4 bags.
-How many apples do you have?
-I have 19.
1. ______
2. ______
3. ______
4. ______
It was in New Zealand ___ Elizabeth first met Mr. Smith. [ ]
A. that
B. how
C. which
D. when
______
______ 
______ 
______