【单选题】The authors argue that more money should be spent on______.
A.
maintaining the well-being of the elderly.
B.
looking after the sick.
C.
extending the life of the dying.
D.
developing aging-slowing interventions.
【单选题】More money should be ______ on education.
【简答题】The report is a bit lengthy; _____ , it says that more money should be spent on education.
【单选题】The author would agree that ______.
A.
more money should be spent on the prevention of heart disease
B.
heart surgery has helped most patients improve their conditions
C.
modern technology has made heart surgery more risky than before
D.
the public have known a great deal about the causes of heart disease
【单选题】According to paragraph 1, what do physical properties and chemical properties have in common?
A.
They are both used to create most of the substances.
B.
They include basic substances like sugar and water.
C.
They are classified as characteristic properties of substances.
D.
They change in proportion to the amount of the substance.
【多选题】The processing properties of materials include ( )
E.
heat treatment properties
【单选题】The physical and chemical properties shared by proteins and amino acids are: ( )
C.
Amphoteric Dissociation
D.
Precipitation properties
【简答题】要求:在当前窗口中,设置显示隐藏的文件和文件夹。
【简答题】coUigative properties