问题
选择题
— Have you ______ some new ideas?
— Yeah. I'll tell you later. [ ]
A. come about
B. come into
C. come up with
D. come out with
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— Have you ______ some new ideas?
— Yeah. I'll tell you later. [ ]
A. come about
B. come into
C. come up with
D. come out with
答案：C
下列实验操作或事实与预期实验目的或所得结论一致的是[ ]
实验操作或事实 | 实验目的或结论 | |
| A. |  | 说明原溶液中一定含有FeCl3 |
| B. |  | 制备少量KBr溶液 |
| C. |  | 说明原溶液中一定不含钾元素 |
| D. | H3PO3+2NaOH(足量)=Na2HPO3+2H2O | H3PO3属于三元酸 |