反渗透产水进入中间水箱之前先经过脱碳塔,以脱除水中游离的()。
A、CO2;
B、O2;
C、N2;
D、NH4;
参考答案:A
阅读理解。
This is a picture of a family. The father's name is Rex. He is forty-eight. The mother's name is Linda.
She is forty-five. They have a son of fifteen and a daughter of sixteen. They are Ned and Rose. They
are students in No. 1 Middle School. Linda is a teacher. Rex is a doctor.
1. — What picture is it?
— It's a picture of a ____.
A. father
B. bedroom
C. classroom
D. family
2. How old is the mother?
A. Forty-five.
B. Forty-six.
C. Forty-seven.
D. Forty-eight.
3. — What's the father?
— He's a ____.
A. worker
B. student
C. doctor
D. teacher
4. How old is Rose?
A. Fifteen.
B. Sixteen.
C. Seventeen.
D. Eighteen.
5. How many people are there in the family?
A. Three.
B. Four.
C. Five.
D. Six.
筹建保险公司的申请人一旦通过保监会的审批,应当在()内完成筹建工作。
A.1年
B.1年零6个月
C.2年
D.3年