学制小于四年的本科生,须在规定的课程模块中选够()个学分。
A.1
B.2
C.3
D.4
参考答案:C
It’s really unwise of some teenagers from low-income families to spend a large sum of money on Apple products ______ they could buy other cheaper brands.
A.unless
B.when
C.so that
D.in case
脊髓的副交感中枢位于()
A.S1~3侧角
B.L3~S3侧角
C.T12~L3侧角
D.S2~4侧角
E.S4~5侧角