【简答题】Reading comprehension. (阅读理解。 ) Last holiday,l took a big trip with myaunt. We went to Australia by plane. It wasin August. We left Beijing on Aug 3rd. Itwas winter in Australia. But in Beijing,it wa...
【判断题】一些化能有机异养微生物可以在以葡萄糖为碳源、铵盐为氮源的合成培养基上生长。
【判断题】一些化能有机异养微生物可以在以葡萄糖为碳源、铵盐为氮源的合成培养基上生长。
【单选题】—I think we have met the word before. —Yes.It is in the reading material ________ we ________ reading yesterday.
【判断题】同一活塞环漏光弧长所对应的圆心角总和不超过30度。