形成二元最高温度恒沸物的溶液的压力组成图中，P-X线是（）
A.曲线
B.直线
C.有最高点
D.有最低点
参考答案：D
No one could have thought that the man _____ should have a one-million-pound note. [ ]
A. in rag
B. with rags
C. with rag
D. in rags
Friendship helps us understand ______ we are, ______ we need each other and ______ we can do for each other.
A. what when thatB. who why whatC. where why thatD. who when how much
