[国开形考作业] My CD doesn't work well.I'll go and _______ this evening. 日期:2022-12-02 16:21:12 点击:154 好评:0
7. My CD doesn't work well.I'll go and _______ this evening. A. have them repaired B. to repair C. have it repaired D. have it repair ...
[国开形考作业] I don’t think you are right, ______ ? 日期:2022-12-02 16:20:05 点击:147 好评:0
17. I don’t think you are right, ______ ? A. do I B. are you C. don't I D. aren't you ...
[国开形考作业] There is little water in the glass, _______ ? 日期:2022-12-02 16:19:13 点击:123 好评:0
11. There is little water in the glass, _______ ? A. isn't there B. is it C. is there D. wasn't there ...
[国开形考作业] Our teacher told us the earth ________ round the sun all the 日期:2022-12-02 16:18:05 点击:161 好评:0
20. Our teacher told us the earth ________ round the sun all the time. A. moved B. travels C. going D. circle ...
[国开形考作业] __everybody is here, let us start our class. 日期:2022-12-02 16:16:08 点击:165 好评:0
20. __everybody is here, let us start our class. A. Now that B. Now C. Although D. Even if ...
[国开形考作业] --"You're a very good student." --&qu 日期:2022-12-02 16:15:00 点击:122 好评:0
19. --"You're a very good student." --"__________." A. No, not at all B. Yes, I am C. Just so and so D. I'm glad to hear that ...
[国开形考作业] 在Authorware中提供了( )种动画方式。 日期:2022-12-02 16:13:52 点击:198 好评:0
2. 在Authorware中提供了( )种动画方式。 A. 3 B. 4 C. 5 D. 6 ...
[国开形考作业] 原子半径是指单独存在的自由原子的半径。 日期:2022-12-02 16:12:43 点击:102 好评:0
11. 原子半径是指单独存在的自由原子的半径。 A. 错误 B. 正确 ...
[国开形考作业] 下列各组混合液中,能作为缓冲溶液的是( )。 日期:2022-12-02 16:11:52 点击:176 好评:0
29. 下列各组混合液中,能作为缓冲溶液的是( )。 A. 10 ml 0.2 mol·L-1 HCl 和 10 ml 0.1 mol·L-1 NaCl B. 10 ml 0.2 mol·L-1 HAc 和 10 ml 0.3 mol·L-1 NaOH C. 10 ml 0.2 mol·L-1 HAc 和 10 ml 0.1 mol&mi...
[国开形考作业] pH 值为 9.40 的溶液中OH- 离子浓度为( )mol·L-1。 日期:2022-12-02 16:11:14 点击:103 好评:0
22. pH 值为 9.40 的溶液中OH- 离子浓度为( )mol·L-1。 A. 4.0×10-10 B. 2.5×10-9 C. 4.0×10-6 D. 2.5×10-5 ...