(多选题)27: 一般元音的差别取决于口腔的不同形状。口腔改变形状三个决定因素是（）。 A: 舌位的高低 B: 舌位的前后 C: 唇形的圆展 D: 唇形的薄厚 ...

(单选题)19: The reason_______the little boy died was lack of medical care. A: why B: because C: for D: as ...

(单选题)7: Sorry, I don’t know he is a friend of_____. A: your brother B: your brothers C: your brother’s friend D: your brother’s ...

(判断题)39: （ ）In the United States, the extended family, rather than the nuclear family, is considered the family. A: 错误 B: 正确 ...

(单选题)33: She had to_______after the first round because she sprained her wrist. A: run out B: drop out C: draw out D: come out ...

(单选题)15: Isn’t it amazing how the human body heals ____ after an injury? A:  himself B:  him C:  itself D:  it ...

(判断题)47: Americans expect an invitation to a dinner or a request for a date or for any other social event to be offered reasonably far in advance. A: 错误 B: 正确 ...

(判断题)45: In English-speaking countries you usually first introduce a man of higher social status to one of low social status, not the other way round. A: 错误 B: 正确 ...

(单选题)21: He has been teaching for 2years, but being a teacher is not his_____. A: chance B: character C: attitude D: choice ...

(判断题)47: 按构成内容的不同，证券可以分为商品证券、货币证券和资本证券 。 A: 错误 B: 正确 ...