第1题: [简答题]We don’t dare to eat these vegetables. They are seriously polluted by insecticides. (compound sentence) 参考答案:We don’t dare to eat these vegetables,for they are seriously polluted by insecticides. 答案解析:[解析] 本题考查的是把两个简单句组合成并列句。for连接句子表示原因。
第17题: [单项选择]同种动物接触毒物吸收速度和毒性大小的顺序正确的是 A. 静脉注射>肌内注射>腹腔注射>经口>经皮 B. 腹腔注射>静脉注射>肌内注射>经口>经皮 C. 静脉注射>肌内注射>腹腔注射>经皮>经口 D. 静脉注射>腹腔注射>肌内注射>经口>经皮 E. 腹腔注射>静脉注射>肌内注射>经皮>经口 参考答案:D