51.   Scientists are trying to find out whether the lesions were being caused by a virus or a dangerous form of phytoplankton.

52.   Six cases of skin anthrax, a less dangerous form of the disease, have been diagnosed and there is another suspected case.

53.   Studies suggest it may be difficult to develop a reliable test to determine which women carry a dangerous form of a newfound breast cancer gene, a researcher says.

54.   Six cases of skin anthrax, a less dangerous form of the disease, have been diagnosed and there is a suspected case reported at the New York Post.

55.   The dangerous form of prions can be detected now through a two-step process that first eliminates benign prions and then checks if there are any prions left over.

56.   The defoliant was contaminated with TCDD, the most dangerous form of dioxin.

57.   The defoliants were contaminated with TCDD, the most dangerous form of dioxin.

58.   They must have known that the Jamaican was in dangerous form.

59.   The Americans had been warned the Jamaican was in dangerous form.

a. + form >>共 1044
new 4.73%
different 2.77%
top 2.24%
current 1.87%
common 1.78%
good 1.57%
human 1.28%
present 1.27%
rare 1.20%
traditional 0.94%
dangerous 0.51%
dangerous + n. >>共 1395
place 2.90%
situation 2.79%
precedent 2.77%
level 2.42%
chemical 1.71%
weapon 1.71%
condition 1.66%
thing 1.64%
substance 1.31%
drug 1.24%
form 0.94%
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