国家建立健全农产品质量安全标准体系。农产品质量安全标准是 () 的技术规范
A. 选择性
B. 任意性
C. 强制性
D. 限制性
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The report______him from all blame for the accident.
A. resolved
B. absolved
C. dissolved
D. solved
What is the possible relationship between the man and the woman？
A. Doctor and patient.
B. Husband and wife.
C. Father and daughter.
D. Teacher and student.
What do economists think of the settlement according to the passage？
A. not effective
B. not important
C. not useful
D. not necessary
Thats______.
A. how did I become a teacher
B. how I became a teacher
C. how a teacher I became
D. that I became a teacher
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