Great changes______ place since he left here.
A. have been taken
B. have taken
C. were taken
溃疡性结肠炎所致腹泻特点是
A. 大便多呈糊状，混有黏液、脓血，里急后重常见
B. 大便多呈糊状，质稀薄，色鲜红，不伴里急后重感
C. 大便不成形，柏油样便
D. 米泔水样便，伴里急后重
E. 白陶土样便，不伴里急后重
Why didn't Mark and Dan go sailing together
A. Because Mark was in some other place.
Because Dan was in some other place.
C. Because Dan asked his brother to go with Mark.
按照《2000年国际贸易术语解释通则》的解释，买卖双方费用与风险划分的地点相分离的术语是（ ）。
A. E组术语
B. F组术语
C组术语
D组术语
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