A fact is a statement which experiences and experiments have proven to be true., T, F, Facts are statements that cannot be verified., T, F, An opinion is a guess which may or may not be true., T, F, Opinions are not person’s view about the topic or issue., T, F, A fact is directly observable., T, F

排行榜

视觉风格

选项

切换模板

恢复自动保存:?