The ______ teeth, which are not easily fallen off, come in after the baby teeth.

游客2024-02-21  14

问题 The ______ teeth, which are not easily fallen off, come in after the baby teeth.

选项 A、lasting
B、permanent
C、durable
D、enduring

答案 B

解析 题意是:不容易脱落的______牙齿在乳牙之后长出来。[B]permanent“永久的,持久的”,强调延续时间之长,符合题意。[A]lasting“永久的,持续的”,强调无限地继续下去,超出常态或预料;[C]durable“耐久的”,强调有防变、防腐等能力;[D]enduring“耐久的,长久不变的”,强调能够经受时间或环境的考验而长期地存在下去。因此,这三项都不符合题意。
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