变压吸附由于循环周期短,吸附热来不及散失,可供解吸之用。
参考答案:对
患者,女,26岁,已婚。停经48天,尿妊娠试验(+),1周来纳呆恶心,呕吐食物残渣,恶闻食气,口淡,神疲思睡,舌淡苔白润,脉缓滑无力。其证型是
A.脾胃虚寒
B.脾胃虚弱
C.痰湿中阻
D.肝胃不和
E.以上均非
小题1:That is a small city.(变为复数句)
_______ are small _______.
小题2:There are some computers in the library.(改为否定句)
There ______ _______computers in the library.
小题3:Yang Kai is in the classroom now. (划线提问)
________ ______ Yang Kai now?
小题4:I am in Class 5 Grade 7.(一般疑问句)
______ ______ in Class 5 Grade 7?
小题5:They go to school five days a week.(改为否定句)
They _____ ______to school five days a week.