皮皮学，免费搜题
登录
搜题
【简答题】
听对话，选择正确答案(听两遍) 1. What's the matter with Jack? A. He has a backache. B. He has a toothache. C. He has a headache. D. He has a stomachache. 2. What does Jane usually do on Sundays? A. She watches TV. B. She goes to the concert. C. She watches movies. D. She goes swimming. 3. Who's Mary going camping with? A. Her friends. B. Her parents. C. Her teachers. D. Her classmates. 4. When is Tom going sightseeing? A. On Sunday. B. On Monday. C. On Saturday. D. On Friday. 5. How many days is David going to stay in Beijing? A. Two days. B. Three days. C. Five days. D. About five days.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】以下哪些描述是菊科的特征（ ）。
A.
头状花序，常有边花和盘花之分，边花为舌状花，盘花为管状花
B.
果实常为浆果，未成熟的果实常含有毒物质-天龙葵碱
C.
果实常为瘦果，花萼特化形成毛附在果实上，利于种子的飘散
D.
聚药雄蕊
【简答题】菊科的特征是具有( )状花序,( )植物具有角果。
【单选题】关于喇叭声响不正确故障,甲说喇叭声响不正确故障的原因可能是喇叭支架松动,乙说喇叭声响不正常故障的原因可能是喇叭电路电阻过大,你认为
A.
甲正确
B.
乙正确
C.
甲乙都正确
D.
甲乙都不对
【单选题】关于喇叭声响不正常故障，甲说喇叭声响不正常故障的原因可能喇叭支架松动；乙说喇叭声响不正常故障的原因可能是喇叭电路电阻过大。你认为以上观点( )。
A.
甲正确
B.
乙正确
C.
甲乙都正确
D.
甲乙都不正确
相关题目：