【简答题】_____can you expect to get a pay rise. A. With hard work B. Although work hard C. Only with hard work D. Now that he works hard 2. ____, mother will wait for him to have dinner together. A....
【简答题】下图为先天愚型患者(一种遗传病)及其体细胞内23对染色体情况,患者四肢较短,手宽而肥,有通贯掌,指短,第5指常内弯、短小或缺少指中节。患儿智能发育缓慢,1周岁后方能坐起,3岁左右才开始走路,性格偏柔而慢,很少有攻击性,不太识数,但有时也有一定的记忆力,善于模仿别人。智力发育不全是本病最突出、最严重的表现。请分析引发这种病的原因?
【简答题】完型填空 The earth is our home. We must take care of it. Life today is easier than it was __1__ years ago, but it has brought some new problems. One of the biggest problems is pollution. We can see it...
【简答题】听下面一段材料,回答第1-3题。 1. What's the scientist's topic? A. The climate in the future. B. The weather at present. C. Our environment pollution. 2. Where will the fresh water come from? A. Rainfall. B. Iceber...
【单选题】工程的标准砖有三个来源:甲地供应量为40%,原价为350.00元/千匹;乙地供应量为60%,原价为370.00元/千匹,标准砖的平均原价为()元/千匹?