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【单选题】
转录与复制有许多相似之处，但不包括
A.
均需依赖DNA为模板的聚合酶
B.
以RNA为引物
C.
遵守碱基配对原则
D.
按5＇→3＇方向合成
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举一反三
【多选题】溢流阀在液压系统中可作为()用。
A.
溢流阀
B.
安全阀
C.
卸荷阀
D.
背压阀
查看完整题目与答案
【简答题】Vocabulary: Fill in the blank Choose the right words in the box to complete the sentences. Use each word one time. albeit site finite imposition advocate interact linked consult tape abandon generatio...
查看完整题目与答案
【单选题】目前多普勒计程仪和声相关计程仪,均可工作在____状态。306
A.
横向跟踪，纵向跟踪
B.
记录显示，闪光显示
C.
机械方式，电气方式
D.
水层跟踪，海底跟踪
查看完整题目与答案
【单选题】患者男性,37岁,有溃疡病史。中午饱餐后,出现上腹剧烈疼痛,伴恶心呕吐,腹肌紧张,出冷汗,首先应考虑的并发症是
A.
癌变
B.
感染
C.
大出血
D.
急性穿孔
E.
幽门梗阻
查看完整题目与答案
【单选题】目前多普勒计程仪和声相关计程仪，均可工作在______两种状态。
A.
航速跟踪，测深跟踪
B.
记录显示，闪光显示
C.
机械方式，电气方式
D.
水层跟踪，海底跟踪
查看完整题目与答案
【简答题】George was afraid to _______________ with the other children, so he hid in the corner until it was time to go home.
查看完整题目与答案
【单选题】患者,男性,37岁。有溃病病史。中午饱餐后,出现上腹剧烈疼痛,伴恶心呕吐,腹肌紧张,出冷汗,休克。首先应考虑的并发症是
A.
癌变
B.
感染
C.
大出血
D.
急性穿孔
E.
幽门梗阻
查看完整题目与答案
【判断题】在液压系统中，减压阀可作背压阀。
A.
正确
B.
错误
查看完整题目与答案
【单选题】As your teacher,I could not have you______away with cheating in the exam．
A.
get
B.
getting
C.
breaking
D.
break
查看完整题目与答案
【单选题】The boy said that the cheating was not an accident since ______ .
A.
he decided to cheat as soon as he knew that there was going to be a test
B.
he had planned not to study before the test
C.
he had planned it with his friends before the test
D.
he decided to cheat after he had wasted the whole evening
查看完整题目与答案
相关题目：
【多选题】溢流阀在液压系统中可作为()用。
A.
溢流阀
B.
安全阀
C.
卸荷阀
D.
背压阀
查看完整题目与答案
【简答题】Vocabulary: Fill in the blank Choose the right words in the box to complete the sentences. Use each word one time. albeit site finite imposition advocate interact linked consult tape abandon generatio...
查看完整题目与答案
【单选题】目前多普勒计程仪和声相关计程仪,均可工作在____状态。306
A.
横向跟踪，纵向跟踪
B.
记录显示，闪光显示
C.
机械方式，电气方式
D.
水层跟踪，海底跟踪
查看完整题目与答案
【单选题】患者男性,37岁,有溃疡病史。中午饱餐后,出现上腹剧烈疼痛,伴恶心呕吐,腹肌紧张,出冷汗,首先应考虑的并发症是
A.
癌变
B.
感染
C.
大出血
D.
急性穿孔
E.
幽门梗阻
查看完整题目与答案
【单选题】目前多普勒计程仪和声相关计程仪，均可工作在______两种状态。
A.
航速跟踪，测深跟踪
B.
记录显示，闪光显示
C.
机械方式，电气方式
D.
水层跟踪，海底跟踪
查看完整题目与答案
【简答题】George was afraid to _______________ with the other children, so he hid in the corner until it was time to go home.
查看完整题目与答案
【单选题】患者,男性,37岁。有溃病病史。中午饱餐后,出现上腹剧烈疼痛,伴恶心呕吐,腹肌紧张,出冷汗,休克。首先应考虑的并发症是
A.
癌变
B.
感染
C.
大出血
D.
急性穿孔
E.
幽门梗阻
查看完整题目与答案
【判断题】在液压系统中，减压阀可作背压阀。
A.
正确
B.
错误
查看完整题目与答案
【单选题】As your teacher,I could not have you______away with cheating in the exam．
A.
get
B.
getting
C.
breaking
D.
break
查看完整题目与答案
【单选题】The boy said that the cheating was not an accident since ______ .
A.
he decided to cheat as soon as he knew that there was going to be a test
B.
he had planned not to study before the test
C.
he had planned it with his friends before the test
D.
he decided to cheat after he had wasted the whole evening
查看完整题目与答案