Which of the following statements is true according to the text?
A. Now the urgent task is to prevent the Amazon fires from making further mass destruction.
B. The fires make the issue of climate change and the environment at the ongoing G7 summit in France cancelled.
C. Global leaders reach an agreement over what the fires mean for the global environment.
D. The Amazon fires succeed in ringing the alarm bell foe the US President.
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下列哪个音不是清辅音?
A. /p/
B. /m/
C. /s/
D. /f/
下列哪个音不是浊辅音
A. /r/
B. /j/
C. /l/
D. /ʃ/
下面哪些选项中的音是成对的清浊辅音?
A. /s,ʒ/
B. /k, g/
C. /w, v/
D. /t, b/
辅音和元音的主要区别是?
A. 发音时声带是否震动
B. 发音时气流是否受到明显阻碍
C. 使用了不同的发音器官
D. 发音位置不同