皮皮学，免费搜题
登录
搜题
【单选题】
卡介苗的制备属于:
A.
形态变异
B.
菌落变异
C.
毒力变异
D.
耐药性变异
E.
鞭毛变异
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
【单选题】如图所示,将标有“12V 6W”的灯泡L和“6V 6W”的灯泡L 2 并联后,接在6V的电源上(设灯丝电阻不变),则( )
A.
灯泡L 1 比灯泡L 2 亮
B.
灯泡L 2 比灯泡L 1 亮
C.
两灯的实际功率之和大于12W
D.
两灯的实际功率之和等于12W
查看完整题目与答案
【多选题】如图所示的电路中,小灯泡L 1 和L 2 连在电路里,电源由两节干电池串联而成,则下列说法不正确的是( )
A.
L 1 、L 2 并联，闭合开关S时两灯都亮
B.
S闭合后，电路将发生短路
C.
要使 L 1 、 L 2 串联，可去掉导线 a
D.
若将导线 M 从接线柱 B 改接到接线柱 A 上，则电路发生短路
查看完整题目与答案
【简答题】完形填空。 Tina and Tara are twin sisters. They look 1 , but they also have some differences. Mr. Black is their old grandfather. One day, he came to see his two granddaughters 2 two gifts. When he came in...
查看完整题目与答案
【单选题】( )可吸收面团中的养分生长繁殖,并产生二氧化碳,使面团形成膨大、松软、蜂 窝状的组织结构。
A.
酵母
B.
面筋质
C.
淀粉酶
D.
化学膨松剂
查看完整题目与答案
【单选题】如图所示的电路中,将开关 S 闭合,灯 L 1 和灯 L 2 均发光,则下列说法中正确的是
A.
灯 L 1 和灯 L 2 并联
B.
灯 L 1 和灯 L 2 串联
C.
通过灯 L 1 和灯 L 2 的电流一定相等
D.
灯 L 1 和灯 L 2 两端的电压一定不相等
查看完整题目与答案
【单选题】()可吸收面团中的养分生长繁殖，并产生二氧化碳，使面团形成膨大、松软、蜂 窝状的组织结构。
A.
面筋质
B.
淀粉酶
C.
膨松剂
D.
酵母
查看完整题目与答案
【单选题】下面关于多倍赔偿制度描述错误的一项是?()
A.
数额法律固定
B.
奖金原告支付
C.
是对原告的奖励
D.
与罚款共同构成惩罚
查看完整题目与答案
【简答题】Mr. Black loved his daughter Helen very much. Every day he spent all of his free time 1 with her. One night, he had much work to do, 2 couldn't play with his daughter. In order to keep her 3 , he foun...
查看完整题目与答案
【简答题】Mr. Black loved his daughter very much. Every day he spent all of his free time  1____ with her. One night, he had much work to do , 2____ couldn’t play with his daughter. In order to keep her 3____he...
查看完整题目与答案
【简答题】Watch the video clip again and fill in the blanks with the words said by Mr. Jack Black. u06p22.mp4 But we’ve had a number of 1 orders and, according to our forecast, we must bring 2 the shipment if w...
查看完整题目与答案
相关题目：
【单选题】如图所示,将标有“12V 6W”的灯泡L和“6V 6W”的灯泡L 2 并联后,接在6V的电源上(设灯丝电阻不变),则( )
A.
灯泡L 1 比灯泡L 2 亮
B.
灯泡L 2 比灯泡L 1 亮
C.
两灯的实际功率之和大于12W
D.
两灯的实际功率之和等于12W
查看完整题目与答案
【多选题】如图所示的电路中,小灯泡L 1 和L 2 连在电路里,电源由两节干电池串联而成,则下列说法不正确的是( )
A.
L 1 、L 2 并联，闭合开关S时两灯都亮
B.
S闭合后，电路将发生短路
C.
要使 L 1 、 L 2 串联，可去掉导线 a
D.
若将导线 M 从接线柱 B 改接到接线柱 A 上，则电路发生短路
查看完整题目与答案
【简答题】完形填空。 Tina and Tara are twin sisters. They look 1 , but they also have some differences. Mr. Black is their old grandfather. One day, he came to see his two granddaughters 2 two gifts. When he came in...
查看完整题目与答案
【单选题】( )可吸收面团中的养分生长繁殖,并产生二氧化碳,使面团形成膨大、松软、蜂 窝状的组织结构。
A.
酵母
B.
面筋质
C.
淀粉酶
D.
化学膨松剂
查看完整题目与答案
【单选题】如图所示的电路中,将开关 S 闭合,灯 L 1 和灯 L 2 均发光,则下列说法中正确的是
A.
灯 L 1 和灯 L 2 并联
B.
灯 L 1 和灯 L 2 串联
C.
通过灯 L 1 和灯 L 2 的电流一定相等
D.
灯 L 1 和灯 L 2 两端的电压一定不相等
查看完整题目与答案
【单选题】()可吸收面团中的养分生长繁殖，并产生二氧化碳，使面团形成膨大、松软、蜂 窝状的组织结构。
A.
面筋质
B.
淀粉酶
C.
膨松剂
D.
酵母
查看完整题目与答案
【单选题】下面关于多倍赔偿制度描述错误的一项是?()
A.
数额法律固定
B.
奖金原告支付
C.
是对原告的奖励
D.
与罚款共同构成惩罚
查看完整题目与答案
【简答题】Mr. Black loved his daughter Helen very much. Every day he spent all of his free time 1 with her. One night, he had much work to do, 2 couldn't play with his daughter. In order to keep her 3 , he foun...
查看完整题目与答案
【简答题】Mr. Black loved his daughter very much. Every day he spent all of his free time  1____ with her. One night, he had much work to do , 2____ couldn’t play with his daughter. In order to keep her 3____he...
查看完整题目与答案
【简答题】Watch the video clip again and fill in the blanks with the words said by Mr. Jack Black. u06p22.mp4 But we’ve had a number of 1 orders and, according to our forecast, we must bring 2 the shipment if w...
查看完整题目与答案