在开机启动计算机的瞬间,操作系统就开始运行了。
A. 对
B. 错
When Hwang Woo-Suk reported his success in creating human embryonic stem cells by cloning, people felt they were cheated.
A. 对
B. 错
A lot of diseases would be treated if human embryonic stem cells can really be created by cloning.
A. 对
B. 错
Dr. Wood has a profound love for his mother.
A. 对
B. 错