题目内容:
WhichofthefollowingstatementsisNOTtrue,accordingtothearticle? A.NaturalgascomespartlyfromCanadianfields.
B.Bottledgasismoreexpensivethanutilitygas.
C.Equipmentforhomeheatinghasbeenconsiderablyimproved.
D.SolarheatingdominatedAmericain2000.
参考答案:
答案解析: