前方牵引的力值一般是()
A.300~500g
B.150~250g
C.70~100g
D.500~1000g
E.1200~2000g
参考答案:D
中央银行买卖证券的目的是为了( )。
A.央行的盈利
B.增加财政收入
C.调控货币供应量
D.增加商业银行盈利
–Why do you like climbing mountains?
--Because they are there and climbing is _____thing I have ever done.
A.the more exciting
B.the most exciting
C.the more excited
D.the most excited