Which of the following is a vertebrate ‘model organism’ used in the study of development（）
A. Drosophila melanogaster
B. Homo sapiens
Caenorhabditis elegans
D. Xenopus laevis
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What does “Da Capo al fine” mean（）
A. End playing immediately
B. Repeat from the beginning to “Fine”
C. Play the piece twice over and over
D. Repeat it from the beginning to the last bar of the piece
How many beats can the pause extend（）
A. 1 beat
B. 2 beats
C. Extend appropriately according to the piece style
D. Extend the total duration of this measure by half
What should be the characteristics of the sounds we play while training arms-suspending and fingers-erecting（）
A. Soft timbre
B. Graininess
C. Penetrable
D. No graininess
In a piece of 4/4 meter, the whole rest stands for（）
A. Rest a whole bar
B. Rest four beats
C. No rest
D. Rest 6 beats
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