=()。
A.-π
B.-1
C.0
D.1
参考答案:B
解析:
极限运算题目。利用洛必达法则,易得。所以正确答案是B选项。
_____ with the question the students raised, the teacher paused for a few seconds.[ ]
A. Puzzling
B. To puzzle
C. Puzzled
D. Being puzzled
He's sitting ______ the beach and ______ orange juice. [ ]
A. on, drinking (喝)
B. in, drinking
C. on, drinks