【简答题】Matching the words with their definitions according to Reading 2.
【多选题】下列关于大肠杆菌拓扑异构酶的叙述正确的是
C.
通过破坏氢键和碱基堆积作用,提高 DNA 聚合酶的延伸性
D.
通过打断磷酸酯键使两条子代 DNA 链拓扑分离
【单选题】下列关于大肠的描述,不正确的是
B.
大肠有三种特征性结构,即结肠带、结肠袋和肠脂垂
D.
结肠分为升结肠、横结肠、降结肠和乙状结肠四部分
【简答题】Summarize the matters needing attention according to Reading B.
【简答题】Summarize the matters needing attention according to Reading B.
【判断题】Top-down reading process is not liner, readers decide what to read first according to reading purpose.
【简答题】Summarize the matters needing attention according to Reading B.
【简答题】Summarize the matters needing attention according to Reading B.