组织是由形态相似、结构和功能相同的细胞构成的细胞群．____（判断对错）

    What's this? It's letter(字母)P. What colour is it? It's green. What's this and what colour is it? It's letter E. It's brown. What's this letter? It's letter N. It's red. P—E—N. Is it“pen”? Yes, it is.

    I have a blue pen in my pencil case(铅笔盒). My pencil case is orange. This is my book. It's my Chinese book. It's in my bag. My bag is black. Look! The bag is on the chair. The chair is yellow. It's my chair. It's nice. I like it.

今年两会上，***强调要聚焦脱贫攻坚任务，扎实打赢全面脱贫的攻坚战。党中央对扶贫开发工作如此重视，是因为（    ）

甲、乙两小车同时同地同方向做匀速直线运动，它们的s﹣t图象如图所示．经过6秒，两车的位置关系为

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