刚性基础材料是指（）强度高的材料。 A.A B.B C.C D.D_爱下问搜题

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问题单项选择题

刚性基础材料是指（）强度高的材料。

A.A

B.B

C.C

D.D

答案

参考答案：C

选择题

This is really an exciting match. the game?

A．Who do you think will win

B．Whom do you think will win

C．Do you think who will win

D．Do you think whom will win

单项选择题

乳牙最早脱落的是

A．上颌乳侧切牙
B．下颌乳尖牙
C．下颌乳中切牙
D．下颌乳侧切牙
E．上颌乳中切牙