A、those who provided scientific ideas or comments
B、those who funded the research
C、those who offered facilities/equipment
D、those who gave moral support
A、getting the attention and interest of your audience
B、establishing your credibility
C、previewing the body of the speech
D、tying up everything and alert listeners
A、Andrea Amati is the first luthier of making the first violin form.
B、Cremona is a renowned city of the instrument manufacture, Amati, Guarneri, and Stradivari were all from the city.
C、The three luthier family instruments were all in poor preservations, very few of them can be played nowadays.
D、The three luthier families are Amati family, Paganini family, and the Stradivari family.
A) Compression molding
B) Reaction inj ection molding
C) Resin transfer molding
D) Filament winding
A) netting index
B) vulcanization
C) polymerization
D) hardness
A) Matrix
B) Reinforcer
C) Coupling agent
D) Interphase
A) NR
B) Butyl rubber (IIR)
C) Neoprene
D) EPR and EPDM
A) high-density polyethylene
B) nylon 6/6
C) fluorocarbons
D) polyester
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