【单选题】假设你想证明:每一个可以写成k(k+1)(k+2)的整数乘积都能被6整除。如果你想用分情形证明法来证明它,那么你应该用下面哪一个集合?
B.
当k被3除,余数为0;当k被3除,余数为1;当k被3除,余数为2;
【单选题】According to the article, how can we prevent the increasing burden of diabetes mellitus?
C.
improved education about the disease
【判断题】The White Man’s Burden talks about how to liberate natives of the colonies.
【简答题】Be ______(prepare) for financial loss and get advice on how to alleviate that burden in the future.
【单选题】[Based on Figure 6-17] How is the burden of the tax shared between buyers and sellers? Buyers bear
A.
three-fourths of the burden, and sellers bear one-fourth of the burden.
B.
two-thirds of the burden, and sellers bear one-third of the burden.
C.
one-half of the burden, and sellers bear one-half of the burden.
D.
one-fourth of the burden, and sellers bear three-fourths of the burden.
【单选题】What is true about the burden of a tax imposed on gasoline?
A.
Buyers bear the entire burden of the tax.
B.
Sellers bear the entire burden of the tax.
C.
Buyers and sellers share the burden of the tax.
D.
The government bears the entire burden of the tax.