下列有关动物生殖、发育的叙述中,错误的是 A.青蛙的生殖方式是体外受精、卵生 B

题型:选择题

问题:

下列有关动物生殖、发育的叙述中,错误的是

A.青蛙的生殖方式是体外受精、卵生

B.鸟类受精卵中的胚盘能够发育成胚胎

C.家蚕的发育属于不完全变态发育

D.人的生殖发育的特点是胎生、哺乳

考点:昆虫的生殖和发育
题型:选择题

如图所示的电路中,A1和A2是完全相同的灯泡,线圈L的电阻可以忽略,下列说法中正确的是( ).

A.闭合电键S接通电路时,A2始终比A1

B.闭合电键S接通电路时,A2先亮,A1后亮,最后一样亮

C.断开电键S切断电路时,A2先熄灭,A1过一会儿才熄灭

D.断开电键S切断电路时.A1和A2都要过一会儿才熄灭

题型:选择题

Joe is interested in getting exercise and competing on a team. He reads about the events at the local pool and finds the perfect activity. 

Swimming Programs

Summer Swim Team 

Join a Summer Swim Team and compete with other swimmers! The program is offered at eight different local pools for youths to 17 years old. The season runs June 21—August 21. Practices are daily (Monday through Friday) throughout the summer. The championship meet(冠军赛) is August 21. Cost: $50.00

Pools & Practice Times

Buckman  2-3 P.M.           Montavilla  8-9 A.M.

Creston  7-9 A.M.             Peninsula  4-7 P.M.

Dishman  8-9 A.M.            Pier    noon-1 P.M.

Grant  8-10 A.M.             Sellwood  7-9 A.M.

Junior Swim Instructor

Two weeks, 20 hours of instruction, two hours per day for children 11-14 years old. Pre-training for youths interested in becoming swim instructors($45 per child)

Two weeks, 30 hours of instruction, three hours per day for children 11-14 years old. Pre-training in lifeguarding, and customer service ($45 per child)

Junior Swim Instructor & Junior Lifeguard Training Dates

June 28-July 9     August 9-August 20

June 12-July 23    August 23-September 3

June 26-August 6

Special Offer

Anyone who takes part in both junior swim instructor and junior lifeguard programs at the same time need only spend $75 instead of $90 for 50 hours of training.

Register Online

You can now register online! Visit our website at http://www.example.com You can choose an area of town, a specific local center, a program, or search for classes which can meet the needs of students of different ages. Just visit our website, and you’re on your way!

小题1:If Joe joins the Summer Swim Team, he _____

A. needs to pay $45.00

B. begins training at 6 A.M.

C. has to practice for two months

D. needs to practice for 7 days a week

小题2:Anyone who wants to be a junior swim instructor should _____

A.be 11-14 years old

B.pay the instructor by the hour

C.do at least 30 hours of training

D.be an experienced junior lifeguard小题3:What’s the main purpose of this text?

A.To introduce Joe’ s hobbies.

B.To introduce a new website.

C.To introduce several swimming pools

D.To introduce some swimming activities.

题型:选择题

“佛山陶瓷”体现工匠精神的典型特征是()

A.精益求精

B.品牌意识

C.不断创新

D.注重细节

题型:选择题


阅读以下说明,回答问题1至问题3。
【说明】
信息技术的迅猛发展和互联网的普及,使得基于网络的多媒体课件的开发成为网络教育的关键。教与学应该是互动的,所以网络课件要体现出交互性的特点,以实现人机交互、教师与学生之间的互动。网络课件要采用灵活多样的交互式方法进行设计,实现课件强大的交互功能。

【问题3】借助Flash中的Action Script指令,实现课件中习题库的交互设计。

题型:选择题

CPU插座有SLOT1、()及()等几种。

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