DNA复制时,模板序列5′-TAGA<br/>-3′将合成下列哪种互补序列() A: 5′-TCTA<br/>-3′ B: 5′-ATCA<br/>-3′ C: 5′-UCUA<br/>-3′ D: 5′-GCGA<br/>-3′ E: 5′-TCGA<br/>-3′
DNA复制时,模板序列5′-TAGA<br/>-3′将合成下列哪种互补序列() A: 5′-TCTA<br/>-3′ B: 5′-ATCA<br/>-3′ C: 5′-UCUA<br/>-3′ D: 5′-GCGA<br/>-3′ E: 5′-TCGA<br/>-3′
In<br/>the previous question, by what factor doesthe<br/>pressure of the gas changes?() A: a<br/>factor of 9, B: a<br/>factor of 3, C: a<br/>factor of √3, D: a<br/>factor of 1, E: a<br/>factor of 1/3
In<br/>the previous question, by what factor doesthe<br/>pressure of the gas changes?() A: a<br/>factor of 9, B: a<br/>factor of 3, C: a<br/>factor of √3, D: a<br/>factor of 1, E: a<br/>factor of 1/3
In<br/>the previous question, by what factor doesthe<br/>rate of collisions of molecules with walls, () A: a<br/>factor of 9, B: a<br/>factor of 3, C: a<br/>factor of √3, D: a<br/>factor of 1, E: a<br/>factor of 1/3
In<br/>the previous question, by what factor doesthe<br/>rate of collisions of molecules with walls, () A: a<br/>factor of 9, B: a<br/>factor of 3, C: a<br/>factor of √3, D: a<br/>factor of 1, E: a<br/>factor of 1/3
正常人呼吸时胸膜腔内压力应该是() A: -3至-10<br/>cmH2O B: +3至+10<br/>cmH2O C: -3至+10<br/>mmHg D: +3至-10<br/>cmH2O E: +3至-10<br/>mmHg
正常人呼吸时胸膜腔内压力应该是() A: -3至-10<br/>cmH2O B: +3至+10<br/>cmH2O C: -3至+10<br/>mmHg D: +3至-10<br/>cmH2O E: +3至-10<br/>mmHg
假如一个mRNA片段中的碱基顺序是5…<br/>AAACAGAUUUAU…3,其模板链的碱基顺序应该是() A: 5′…<br/>TTTGTCTAAATA…3′ B: 3′...<br/>UUUGUCUAAAUA…5′ C: 3′…<br/>TTTGTCTAAATA…5′ D: 3′…<br/>ATAAATCTGTTT…5′ E: 3′…<br/>AUAAAUCUGUUU…5′
假如一个mRNA片段中的碱基顺序是5…<br/>AAACAGAUUUAU…3,其模板链的碱基顺序应该是() A: 5′…<br/>TTTGTCTAAATA…3′ B: 3′...<br/>UUUGUCUAAAUA…5′ C: 3′…<br/>TTTGTCTAAATA…5′ D: 3′…<br/>ATAAATCTGTTT…5′ E: 3′…<br/>AUAAAUCUGUUU…5′
用于和航空器间通信,克服多谱勒频移的发射类型() A: AJ3E B: BR3E C: CH3E D: DG3E
用于和航空器间通信,克服多谱勒频移的发射类型() A: AJ3E B: BR3E C: CH3E D: DG3E
根据下表所给数据(单位:天),正确的说法有( )。[br][/br] 施工过程 施工段 [br][/br] ① ② ③ ④ A: 3 5 3 4 B: 2 3 2 3 C: 4 5 3 5 D: 3 4 2 3 <br>A.KA·B=8 <br>B.KB·C=2<br>C.KC·D=6<br>D.T=32(天) E: T=30(天)
根据下表所给数据(单位:天),正确的说法有( )。[br][/br] 施工过程 施工段 [br][/br] ① ② ③ ④ A: 3 5 3 4 B: 2 3 2 3 C: 4 5 3 5 D: 3 4 2 3 <br>A.KA·B=8 <br>B.KB·C=2<br>C.KC·D=6<br>D.T=32(天) E: T=30(天)
可吸入性纤维粉尘是指() A: 直径>3<br/>m,长度≥5<br/>m B: 直径<3<br/>m,长度<5<br/>m C: 直径<3<br/>m,长度≥5<br/>m D: 直径<3<br/>m,长度≥9<br/>m E: 直径>3<br/>m,长度≤5<br/>m
可吸入性纤维粉尘是指() A: 直径>3<br/>m,长度≥5<br/>m B: 直径<3<br/>m,长度<5<br/>m C: 直径<3<br/>m,长度≥5<br/>m D: 直径<3<br/>m,长度≥9<br/>m E: 直径>3<br/>m,长度≤5<br/>m
下面程序的输出结果是[br][/br] iX=3[br][/br] iX>3[br][/br]____ 。[br][/br]#include "stdio.h"[br][/br]main()[br][/br]{int iX=3;[br][/br] switch(iX)[br][/br] { case 1:[br][/br] case 2: printf("iX[3\n");<br] case 3: printf("iX=3\n");[br][/br] case 4:[br][/br] case 5: printf("iX>3\n");[br][/br] default: printf("iX unknow\n");[br][/br] }[br][/br]}
下面程序的输出结果是[br][/br] iX=3[br][/br] iX>3[br][/br]____ 。[br][/br]#include "stdio.h"[br][/br]main()[br][/br]{int iX=3;[br][/br] switch(iX)[br][/br] { case 1:[br][/br] case 2: printf("iX[3\n");<br] case 3: printf("iX=3\n");[br][/br] case 4:[br][/br] case 5: printf("iX>3\n");[br][/br] default: printf("iX unknow\n");[br][/br] }[br][/br]}
a = 20 b = 10 c = 15 d = 5 e = 0[br][/br] 分别计算e的值:[br][/br] (1)e = (a + b) * c / d [br][/br] (2)e = ((a + b) * c) / d [br][/br] (3)e = (a + b) * (c / d) [br][/br] (4)e = a + (b * c) / d
a = 20 b = 10 c = 15 d = 5 e = 0[br][/br] 分别计算e的值:[br][/br] (1)e = (a + b) * c / d [br][/br] (2)e = ((a + b) * c) / d [br][/br] (3)e = (a + b) * (c / d) [br][/br] (4)e = a + (b * c) / d