下列有关酶的叙述不正确的是（ ）。
限制酶主要来自于原核生物，DNA连接酶中E·coliDNA连接酶来源于大肠杆菌，T4DNA连接酶来源于T4噬菌体，故A错误。限制酶能识别特定的脱氧核苷酸序列，DNA连接酶不能，故B错误。顶体酶能水解卵透明带糖蛋白，使精子穿过卵丘细胞再穿过透明带，透明带反应是卵子细胞质内的皮质颗粒释放溶酶体酶引起的，故C错误。Taq酶即热稳定性DNA聚合酶，它只能连接单个脱氧核苷酸之间的磷酸二酯键，故D正确。
我国保护少年儿童权益的专项法律是《中华人民共和国未成年人保护法》。（ ）
根据以下材料，回答题
If you don′t think a phone is the rightgift for a lover, the smart choice this year is a smart phone.
For people who don′t read instructions
The easiest-to-use phone is the iPhone. It′sthat has pushed it to the No.1 selling position, surpassing the Motorola Razr.The iPhone′s touch screen is easy to operate and it′s also easy to customize (用户化). The iPhone can run allsorts of applications such as those help you to lose weight, identify a song onthe radio, find a restaurant or do many other things.
For the futurist
The T-Mobile G1 is very popular as it is thefirst phone to offer a Google browser, meaning that you′re getting the real webon your phone, but it′s the phone′s potential that qualifies it for the futurist.The exciting applications are interesting, but they don′t always work smoothly.Sometimes it is hard to use the applications it comes with. The system shouldimprove as it becomes more popular, so it holds great promise. With fewrestrictions on the design of applications for the phone,
the G1 could be the first phone toincorporate (整合) some of the coolest.
For the road warrior
The new BlackBerry Storm is something likethe equivalent (等同物) of a mullet--a business up front, party in the back. It stillincorporates the serious mail and organization features that have endeared (使受钟爱) these phones to business people. The 3.25-inch is bright anddetailed and it′s a decent size for watching videos on the go.
For the Luddite (反对技术进步的人)
For those who can′t handle buttons and newfeatures, there is the Samsung Jitterbug Dial. Some people are Luddites whojust want a few large buttons to make calls. That′s it, just calls. That makesit even easier to use an iPhone.
What would be the best title forthe passage (no more than 6 words)
________________________________________________________________________
简述学生的义务。
依据《普通高中英语课程标准》，语言有丰富的文化内涵。教师应根据学生的年龄特点和__________ ，逐步扩展文化知识的内容和范围。
（ ）提出了一个教师成长公式：经验+反思=成长。
（ ）、同龄人的交流、儿童的养育实践、教育与文化是影响儿童道德发展的主要因素。
恩格斯评论一位法国人是“德国革命原理的传播者，旧的封建社会的摧毁人”。恩格斯评论的是__________。
加涅认为复述不仅能有利于保持信息以便进行编码，也能增加短时记忆的容量。( )
聚合思维
一般而言，学习动机越强，学习效果越好。()
