下列各句中，没有语病的一句是（    ）

C

    Hi! I'm Alan. This is my dream house (梦幻屋). It has a small but nice room. Some pictures are on the wall. There is (有)a bookcase in my room. There is a desk and a chair in it. My schoolbag is on the desk. Oh! Where is my pencil case? It is under the chair. There are some pencils and a ruler in the pencil case. My shoes and a basketball are under the bed. I like my dream house very much.

18×____=9×____=54

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2015年8月，千人涌入格尔木草原疯狂盗采野生黑枸杞，造成草原植被严重破坏。黑枸杞是我国西部特有的多年生多棘刺灌木，其果实因含丰富的天然花青素而成为延缓衰老、预防癌症的天然食品，价格昂贵，主要出产于柴达木盆地。人工种植黑枸杞，播种期在3月下旬至4月中旬，播种后稍覆细沙及土，然后用塑料地膜覆盖，再在地膜上面全面覆土1.5~2cm，以透不进阳光为宜。下图为柴达木盆地野生黑枸杞分布图。