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【判断题】
British people tend to complain a lot when they meet with bad food or service.
A.
正确
B.
错误
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【单选题】对于生长介素的叙述错误的是
A.
生长素通过它促进脂肪代谢
B.
生长素通过它促进蛋白质合成
C.
生长素通过它促进软骨生长
D.
是在生长激素诱导下由肝脏产生的
E.
又称胰岛素样生长因子
【简答题】在某2 L的密闭容器中加入0.1 mol碘单质和足量钨(W),在943 K时,发生反应W(s)+I 2 (g) WI 2 (g),当I 2 的转化率为20%时,达化学平衡状态。 (1)反应从开始至平衡状态过程中用时20 s,其平均反应速率v(WI 2 )为________。 (2)943 K时,该反应的平衡常数K=________。 (3)若起始时,加入的碘为0.2 mol(其他条件不变)达平衡时...
【简答题】(12分)在一定温度下的2 L密闭容器中充入0.4 mol SO 2 和0.2 mol O 2 ,发生反应:2SO 2 (g)+O 2 (g) 2SO 3 (g)   Δ H <0, n (O 2 )随时间的变化如图实线所示: (1)用SO 2 表示0~4 min内该反应的平均速率为 。该温度下反应的平衡常数 K 为 。升高温度 K 值 (填“增大”、“不变”或“减小”)。 (2)若温度不变,在容...
【简答题】完形填空。 The books in David's schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric, 1 his mother told him he would have to return his sister's books...
【简答题】在某2L的密闭容器中加入0.1mol碘单质和足量钨(W),在943K时,发生反应W(s)+I 2 (g)?WI 2 (g),当I 2 的转化率为20%时,达化学平衡状态. (1)反应从开始至平衡状态过程中用时20s,其平均反应速率v(WI 2 )为______. (2)943K时,该反应的平衡常数K=______. (3)若起始时,加入的碘为0.2mol(其他条件不变)达平衡时容器中气体的体积比V...
【简答题】完形填空。 The books in David's schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric, 1 his mother told him he would have to return his sister's books...
【单选题】运载外源性三酰甘油的脂蛋白是()
A.
ALDL
B.
LDL
C.
IDL
D.
HDL
E.
CM
【单选题】运载外源性甘油三脂的脂蛋白是
A.
VLDL
B.
LDL
C.
HDL
D.
CM
【简答题】完形填空 The books in David's schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric, 1 his mother told him he would have to return his sister's books ...
【简答题】Edward rose early on the New-year morning. He looked in every room and wished a Happy New Year to his family. Then he ran into the street to repeat that to those he might meet. When he came back, his ...
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