【单选题】在实验过程中,不慎将稀盐酸溶液溅入眼内,正确的处理方法是( )。
B.
先用大量水冲洗,再用3%-5%碳酸氢钠溶液冲洗
C.
先用大量水冲洗,再用3%-5%碳酸氢钠溶液冲洗,然后立即送往医院
【简答题】n. 秋天,秋季 2. a.可利用的;有效的 3. v. 避免,躲开,逃避 4. v. 唤醒 醒着的 5. ad. 离开;远离
【简答题】读某地等高线地形图(单位:米),完成1~2题。 1.导致图中铁路线弯曲的主导因素有 [ ] A.避开河谷 B.避开山脊 C.联系居民点 D.避开断层 2.图中居民点的分布特点是 ①沿河分布 ②沿交通线分布 ③沿断层线分布 ④聚落的规模与地形有关 [ ] A.①② B.③④ C.①④ D.②③
【单选题】下颌下腺摘除术切口在下颌骨下缘下1.5~2cm处是为了
【简答题】Correct the errors in the following sentences. 1) Many years ago, Jim had lived in Paris with his uncle for a long time. 2) The teacher told the students that light traveled much faster than sound. 3)...
【判断题】New as the professor was to the faculty, he could have told this specimen a number of things but he didn't, because he didn't think the student would stay around very long.
【判断题】原文:He died only a year after he started working with us. It was a car accident and he didn’t have to suffer very long. His mother told me that he had lost his family just the year before and after tha...
【判断题】原文:He died only a year after he started working with us. It was a car accident and he didn’t have to suffer very long. His mother told me that he had lost his family just the year before and after tha...
【判断题】He told a very long story about his life in America.