千粒重是指()粒种子的重量。
A.10
B.100
C.1000
D.10000
参考答案:C
—It’s time that I ____ on night duty. I must be off now.
—I’d rather you ____ at home on such a family reunion night.
A.am, stay
B.was, stayed
C.will be, to stay
D.be, will stay
销毁秘密公文应当到指定场所由_______人以上监销,保证不丢失、不漏销。( )
A.2
B.3
C.4
D.5