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【单选题】
【图片】A.
f=5; int(f,x,-3,2)
B.
syms y; f=5; int(f, x, -3, 2)
C.
syms x; f=5; int(f, x, 2, -3)
D.
syms x; f=5; int(f, x, -3, 2)
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参考解析：
知识点：
皮皮学刷刷变学霸
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【多选题】有一包药材混合粉末，显微镜下观察有以下特征：梭形韧皮纤维，黄色及白色长圆形，不规则表石细胞；网纹导管；节状乳管碎片。该粉末中可能有
A.
白术
B.
党参
C.
黄芩
D.
龙胆
E.
木香
【单选题】听力原文： If a contemporary Rip Van Winkle had slept for forty years and awakened today, he would have to go back to school before he could understand a daily newspaper or a magazine. Many new words have ...
A.
Because many new words have been added to English.
B.
Because he was illiterate before he went to sleep years ago.
C.
Because after the accident, he lost his memory.
D.
Because he was a Hungarian and couldn't read English.
【简答题】完成句子。 -기에는 ( 1 ) 제가 보기에는_____. ( 2 ) 내가 생각하기에는 ____. ( 3 ) 우리가 듣기에는 _____. ( 4 ) 제가 느끼기에는 ____.
相关题目：
【多选题】有一包药材混合粉末，显微镜下观察有以下特征：梭形韧皮纤维，黄色及白色长圆形，不规则表石细胞；网纹导管；节状乳管碎片。该粉末中可能有
A.
白术
B.
党参
C.
黄芩
D.
龙胆
E.
木香