皮皮学，免费搜题
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搜题
【多选题】
下列实体类型的联系中,属于一对多联系的是( )。A.
母亲对孩子的亲生联系
B.
父亲对孩子的亲生联系
C.
班级对班长的所属联系
D.
班级对学生的所属联系
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Listen to the conversation and choose the best answer to the following question. What does the man mean to do according to the conversation?
A.
Sign his name for the fan.
B.
Fill in an application form.
C.
Exchange gifts with his friends.
D.
Get a purchase refunded.
【单选题】What does the man mean to do according to the conversation?
A.
Sign his name for the fan.
B.
Fill in an application form.
C.
Exchange gifts with his friends.
D.
Get a purchase refunded.
【单选题】What does the man mean to do?
A.
Sign his name for the fan.
B.
Fill in an application form.
C.
Exchange gifts with his friends.
D.
Get a purchase refunded.
【单选题】关于单克隆抗体,下列叙述不正确的是
A.
可以制成诊断盒,用于疾病的珍断
B.
可以与药物结合,用于病变细胞的定向治疗
C.
可以利用基因工程技术生产
D.
可以在生物体内生产,不能体外生产
【单选题】听力原文：F: My watch stopped again. And I just got a new battery. M: Why don't you take it to the shop on campus? They can check it for you. And they're pretty reasonable. Q: What does the man mean? (16)
A.
He suggests the woman to have her watch refunded.
B.
He suggests the woman to buy a new battery in the shop on campus.
C.
He believes the shop on campus sells watches at a reasonable price.
D.
He suggests the woman to have her watch checked in the shop.
相关题目：
【单选题】关于单克隆抗体,下列叙述不正确的是
A.
可以制成诊断盒,用于疾病的珍断
B.
可以与药物结合,用于病变细胞的定向治疗
C.
可以利用基因工程技术生产
D.
可以在生物体内生产,不能体外生产