下列各项加点的字读音全不相同的一项是() A.嗔怪镇定瞋视谨慎文思缜密 B.估价

题型:选择题

问题:

下列各项加点的字读音全不相同的一项是(  )

A.嗔怪镇定瞋视谨慎文思缜密

B.估价枯槁训诂沽酒怙恶不悛

C.端详揣测湍急喘气惴惴不安

D.点缀辍学拾掇啜泣气息惙然

考点:字音
题型:选择题
下列有关甲烷的说法中不正确的是(   )

A.甲烷是正四面体构型

B.二氯甲烷分子只有一种结构

C.甲烷是没有颜色、没有气味的气体,极易溶于水

D.甲烷与氯气可发生取代反应

题型:选择题

血浆的pH主要取决于下列哪个缓冲对()

A.KHCO3/H2CO3

B.K2HPO4/KH2PO4

C.NaHCO3/H2CO3

D.Na2HPO4/NaH2PO4

E.蛋白质-Na/蛋白质

题型:选择题

采暖给水及热水供应系统的管道采用粘接接口、公称直径为50mm的管子,其管端插入承口的深度应不得小于( )mm。

A.31
B.44
C.61
D.69

题型:选择题

对胃癌等消化道肿瘤效果好

A.氟尿嘧啶
B.环磷酰胺
C.阿糖胞苷
D.甲氨蝶呤
E.他莫昔芬

题型:选择题

Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now, listen to the conversation.


What reason is NOT explained by the woman for obtaining a student credit card

A.She hopes to establish a good credit rating.

B.She wants to buy things at a discount using the card.

C.She can buy things without cash.

D.She wants to control spendin

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