将4.6g某物质加入95.4蒸馏水中,充分搅拌后所得溶液中溶质的质量分数为 [ ]
A.大于4.6%
B.等于4.6%
C.小于4.6%
D.以上均有可能
答案:D
ACEI的主要不良反应有()
A.光敏反应
B.干咳
C.灰婴综合征
D.永久性耳聋
E.视物模糊
根据句意及汉语提示写出单词。
1. I have __________ (九十) books in my bed-room.
2. Lynn __________ (写) a letter to her grand-mother every month.
3. I go to the hotel, too. You can __________ (跟着) me.
4. There are many __________ (绵羊) on the farm.
5. I cut my finger and it __________ (疼).