【单选题】Before the discovery of insulin, diabetic patients was treated by
【简答题】阅读下面短文,掌握其大意,然后从各题所给的四个选项中,选出最佳选项。 In 1883, a creative engineer, John Roebling, was inspired to build a splendid bridge connecting New York with Long Island. However, experts throughout the world thou...
【单选题】We can learn from para. 2 that
A.
a dozen of blood examples were from the patients died between 1986 and 1989.
B.
Dr. Arien studied the blood examples to find the cause of AIDS.
C.
the subtype of virus involved is different due to different places.
D.
3/4 of the viruses appeared to be more harmful than before.
【简答题】Only experts with a professional eve can tell the fine(fair,pleasant,subtle) distinction between the two gems.
【简答题】Years can pass before the unwanted effects of a drug are discovered and, even then, they may occur in a tiny fraction of patients.
【单选题】Which one is right for the patients with nonheritable retinoblastoma?
A.
The patients often have family history of retinoblastoma.
B.
The patients often get retinoblastoma before 8months.
C.
The patients can increased risk for other tumors.
D.
Mutations happen in germile.
【判断题】Before the discovery of insulin, diabetic patients was cured by strict diets.
【单选题】Directions: In this section, you will hear three short passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After y...
【单选题】Patients must be told before the testing of an anaesthetic that all sensation is ,and will be lost, and that it is specifically pain that will be abolished.