小明用长分别为3，x-1，4（单位：cm）的三根木棍首尾相连拼一个

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问题选择题

小明用长分别为3，x-1，4（单位：cm）的三根木棍首尾相连拼一个三角形，则x的取值范围是[ ]

A．0＜x＜8

B．2＜x＜8

C．0＜x＜6

D．2＜x＜6

答案

答案：B

选择题

One of the few things you _____ say about English people with certainty is that they talk a lot about the

weather. [ ]

A. can

B. must

C. should

D. need

填空题

精神疾病诊断不一致的主要原因主要有：________、_________、__________、__________、_________。