题目内容
（请给出正确答案）
The main advantages of the conference system to shippers are( ).
A. stability of freight rates B. regularity of the services
C. flexible procedures D. high rates
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更多“The main advantages of the con…”相关的问题
A.A.it requires only vety small quantities of a sampk
B.B.it requires metal ions in aqueous solution
C.C.it does not produce background emission like a flame
D.D.it does not get hot like a flame
A.With
B.Together
C.Without
D.out
A.Yes, perfectly
B.Yes, it is
C.All right
D.Well, that depends
Advantages of zinc polycarboxylate cement include which of the following()
A．kindness to the pulp
B．10ng working time
C．chemical adhesion to tooth structure
D．All of the above
A.universal
B.inclusive
C.indefinite
D.conventional
The second paragraph tells us ______
A．underground is convenient
B．the advantages of underground
C．we can have good food underground
D．you can spend the night underground
B.Greater Possibility for Good Management
C.Definite Legal Framework
D.Better Prospects for Growth
Compared to amalgam，resin composites have all ofthe following advantages except()
A．low thermal conductivity
B．esthetics
C．high early strength
D．a self-sealing mechanism
