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【单选题】
巨幼红细胞性贫血,其原因之一是胃液中缺乏A.
盐酸
B.
胃蛋白酶
C.
粘液
D.
内因子
E.
Na+
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反馈参考答案：
举一反三
【简答题】并联电阻越多,等效电阻的电阻值越 ,两个阻值相差很大的电阻并联,其等效电阻值由 电阻决定。(填大或小)
【单选题】-نەگە ماڭدىڭلار؟正确回答是( )
A.
-سىرتنى،سىلەرچۇ؟
B.
-سىرتقا،سىلەرچۇ؟
C.
-سىرتكە،سىلەرچۇ؟
D.
-سىرتتا،سىلەرچۇ؟
【单选题】W is registered for sales tax. The managing director has asked four staff in the accounts department why the output tax for the last quarter does not equal 20% of sales (20% is the rate of tax). Which...
A.
The company had some exports that were not liable to sales tax.
B.
The company made some sales of zero-rated products.
C.
The company made some sales of exempt products.
D.
The company sold some products to businesses not registered for sales tax.
【单选题】W is registered for sales tax. The managing director has asked four staff in the accounts department why the output tax for the last quarter does not equal 20% of sales (20% is the rate of tax). Which...
A.
The company had some exports that were not liable to sales tax.
B.
The company made some sales of zero-rated products.
C.
The company made some sales of exempt products.
D.
The company sold some products to businesses not registered for sales tax.
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