【简答题】Fill in each blank with proper word form. A laser beam can be turned into a __________ (dead) weapon. The doctor received an __________ (urge) call from the parents of an injured child. She said that ...
【简答题】A doctor was once teaching a class of medical students at a famous hospital in Edinburgh. An injured man was 1 in, and the doctor turned to 2 of the students and asked him, “What’s wrong with this man...
【简答题】B Scientists may have found a way to reduce shortage of type O blood. Type O is the kind of blood that hospitals most often need. What the researchers are testing is an easier way to make type O blood...