Weshouldtakepaper,__pencil,__eraser,__andknife.__此句话的语调顺序应为
举一反三
- A country produces only pencils and erasers. Pencil production is allocatively efficient if the marginal ________ of a pencil equals the marginal ________ of ________. A: cost; benefit; an eraser B: cost; cost; an eraser C: benefit; benefit; an eraser D: benefit; cost; a pencil
- There________ an eraser in the pencil box. A: is B: are
- Would you like a beer __ or a whisky? __ 此句话两处的语调应为
- He looked aside, __ when I spoke to him. __ 此句话两处的语调应为
- The girl dislikes history, __ doesn't she? __ 当表示对说话内容有把握时，此句话两处的语调应为