The optimum cross-sectional thickness for an elastomeric impression materials is()A.0.
The optimum cross-sectional thickness for an elastomeric impression materials is()
A.0.5mm
B.1.0mm
C.2.0mm
D.4.0mm
The optimum cross-sectional thickness for an elastomeric impression materials is()
A.0.5mm
B.1.0mm
C.2.0mm
D.4.0mm
第4题
第5题
The balloonists are waiting for ________ weather conditions before taking off.
A considerable
B invaluable
C maximum
D optimum
第6题
第7题
从下面提供的答案中选出应填入下列英文语句中______内的正确答案。
While most recent attention in the AI field has been focused on expert system software, AI(1)has also seen dramatic advances. Activity in the past years was characterized by new low-cost, powerful LISP machines, the introduction of A1 workstations, LISP compilers becoming available for all major professional and engineering workstations, and the personal computer emerging as a(2)tool for expert system development .The next few years will see this technology evolve further.
Because the(3)of an AI computer represents a sizeable investment, companies should carefully(4)all options that are available as well as have a good idea of what the next generation of systems will offer in order to(5)the optimum system. This publication provides the information necessary to gain this understanding.
供选择的答案:
(1) choice (2) read (3) important (4) software (5) hardware
(6) significant (7) emergence (8) survey (9) purchase (10) select