1-C. Proof of their existence was found in tools discovered in Alaska.Proof of their existence was found in tools discovered in Alaska.
証拠は、彼らの存在のダヨ、見い出された、発見された道具の中にダヨ、アラスカでダヨ。
2-C. The fact that there is no universal counting system, but a number of systems appropriate to specific situations, is proof of how creative and flexible we are.The fact that there is no universal counting system, but a number of systems appropriate to specific situations, is proof of how creative and flexible we are.
5-C. A family consisting of a father aged 41, a mother aged 40, two boys aged 14, and a girl aged 13, providing proof of age for the children, would receive a 50% discount on three tickets when purchasing in advance.A family consisting of a father aged 41, a mother aged 40, two boys aged 14, and a girl aged 13, providing proof of age for the children, would receive a 50% discount on three tickets when purchasing in advance.
6-C. Young people (ages 10 - 18, proof of age required) receive 50% off the above prices (advanced purchases only.)Young people (ages 10 - 18, proof of age required) receive 50% off the above prices (advanced purchases only.)