外商投资企业在办理外汇资本金结汇时，结汇用途为“备用金”的，备用金限于（）美元（含）以下。
A、3万。
B、4万。
C、5万。
D、6万。
参考答案：C
情景交际，补全对话（每空一词）。
A: Is this a photo of your family?
B: Yes, it is. It was 1 ten years ago.
A: Who is the old 2 in front of the house?
B: That's my grandmother.
A: Then that must be your house?
B: No, that's my grandmother's 3 .
A: Then does she live with your uncle or aunt?
B: No, since my grandpa died she has lived 4 .
A: Alone! But she is so old. Who takes care of her?
B: She takes care of 5 , though she is 80 years old.
1. ______ 2. ______ 3. ______ 4. ______ 5. ______
下列不属于优生优育措施的是（ ）
A．禁止近亲结婚
B．提倡遗传咨询
C．进行产前诊断
D．加强锻炼
