皮皮学，免费搜题
登录
搜题
【简答题】
你听说过捕蝇草吗?捕蝇草生长在美洲，它的茎很短，叶片的构造十分奇特。在靠近茎的部分，叶片呈绿色，可以进行光合作用；变成了肉质的，像一个可以随意开合的贝壳，并且每半个叶片的边缘上还生长有10多根又长又硬的。平时，“贝壳”张开，叶缘蜜腺中散发出甜蜜的气味，同时发出紫外光。苍蝇对紫外光特别敏感，当它飞过去，一旦触动了， “贝壳”就在极短的时间里闭合，将猎物禁闭在“牢笼”里。当捕蝇草捕获到猎物以后，那个像贝壳似的捕猎器又变成了它的“胃”，能及时地分泌出消化液，将猎物慢慢地消化。几天后，当猎物被完全消化干净了，再次张开，等待下一只猎物的落网。以上这段文字，表现出生物的哪些基本特征?
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【多选题】分析以下代码,说法正确的是 void loop() { a=Serial.read(); switch(a) { case 'A':Serial.println("apple");delay(1000); case 'B':Serial.println("banana");delay(1000); case 'C':Serial.println("cat");delay(1000); case '...
A.
当通过串口调试器发送字符A时，arduino通过串口仅传送apple字符
B.
当通过串口调试器发送字符B时，arduino通过串口连续传送banana cat desk 字符
C.
当通过串口调试器发送字符C 时，arduino通过串口连续传送cat desk NO 字符
D.
当通过串口调试器发送字符D 时，arduino通过串口连续传送desk NO 字符
【简答题】void loop() { a=Serial.read(); switch(a) { case 'A':Serial.println("apple");delay(1000);break; case 'B':Serial.println("banana");delay(1000);break; case 'C':Serial.println("cat");delay(1000);break; ca...
【单选题】void loop() { a=Serial.read(); switch(a) { case 'A':Serial.println("apple");delay(1000); case 'B':Serial.println("banana");delay(1000); case 'C':Serial.println("cat");delay(1000);break; case 'D':Seria...
A.
apple
B.
apple banana
C.
apple banana cat
D.
apple banana cat desk NO
【单选题】Why did the professional conduct committee delay its hearing of the case under question?
A.
Because the committee said it had been too busy then.
B.
Because the doctor said that he had hurt his back.
C.
Because the doctor was too busy with his NHS to his patients.
D.
Because the committee was different on the doctor's behavior.
【单选题】How to properly say sorry and thanks in case of the delay?
A.
We are sorry to inform you that the flight has been cancelled.
B.
It is pitiful that the goods are sold out.
C.
We apologize for any inconvenience caused and thank you for your patience and understanding.
D.
We are waiting for air traffic control clearance.
【单选题】How to inform the passenger of the delay in case of bad weather? （ ）
A.
Please fasten your seat belt and refrain from smoking.
B.
Our flight will be delayed because of bad weather conditions.
C.
The flight has been cancelled.
D.
We will be taking off soon.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
