中国首次从宪法的层面对环境保护做出明确规定的是( )年修订的《中华人民共和国宪法》。

A．1954

B．1975

C．1978

D．1982

用所给动词的正确形式填空。

小题1:I   (not hear)from my pen friend recently.

小题2:Students used to   (ride)bikes to school.

小题3:When she saw the dead cat, he couldn't help   (cry).

小题4:--Did you see a woman in blue pass by just now?

--No, sir. I   (plan)a trip to Suzhou with my classmates.

小题5:Millie   (join) the Reading Club last year.