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【简答题】
如图1,在△ABC中,∠A=80°,∠B=40°,∠ACD是△ABC的一个外角,则∠ACD=( ).试猜想∠ACD与∠A,∠B的关系是( ).
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举一反三
【单选题】If it were discovered that the import dollar amount shown for 1978 was incorrect and should have been $ 5. 3 billion instead, then the average ( arithmetic mean) import dollar amount per year for the ...
A.
$100 million
B.
$53 million
C.
$47 million
D.
$17 million
E.
$7 million
【单选题】张女士,43岁,因“反复呕吐、腹泻2天”拟诊“细菌性痢疾”收住入院。消毒患者的餐具、便器常用的方法是
A.
压力蒸汽灭菌
B.
消毒液擦拭
C.
紫外线灯消毒
D.
消毒液浸泡
【简答题】The name of the course book we use is : (2.0分)A. American History B. Reading Comprehension C. Understanding the U. S. A.: American History
【单选题】183 The lowest dollar amount 'at stake' is associated with the following phase of the project:
A.
conceptual
B.
execution
C.
cut-over
D.
post project evaluation
E.
A and D only
【单选题】下列关于各种销的特点描述中,错误的是
A.
连接销其类型可根据工作要求选定,其尺寸可根据连接的结构特点按经验或规范确定,可不必进行校核计算
B.
定位销通常不受载荷或只受很小的载荷,故不作强度校核计算,其直径按结构确定,数目一般不少于2个。
C.
为了确保安全销被剪断而不提前发生挤压破坏,通常可在安全销上加一个销套
D.
圆锥销有1:50的锥度,可反复多次拆装,拆装方便,常用于盲孔
【单选题】The lowest dollar amount 'at stake' is associated with the following phase of the project: A conceptual
B.
execution
D.
cut-over D post project evaluation
E.
A and D only
【单选题】You will be late___you leave immediately.
A.
unless
B.
until
C.
if
D.
Or
【单选题】张女士, 43 岁,因“反复呕吐、腹泻 2 天”拟诊“细菌性痢疾”收住入院。 消毒患者的餐具、便器常用的方法是
A.
压力蒸汽灭菌
B.
消毒液擦拭
C.
紫外线灯消毒
D.
消毒液浸泡
E.
消毒液喷洒
【简答题】I've started with people's names. Now of course the name is not necessarily the name of the account holder; it could be a spouse, the kids or even the family dog. Furthermore, it could be a first name...
【简答题】函数 的定义域为A,若 ,则 的取值范围为 .
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