肺癌锁骨上野给角照射,为便于挡铅,应给最佳角度为()
A.1度到3度
B.3度到5度
C.5度到6度
D.8度到10度
E.10度以上
参考答案:C
采用适当的再结晶退火,可以细化金属铸件的晶粒大小。
It can be inferred from the passage that Goethe's scientific contemporaries made which of the following assumptions
A.(A) The most accurate view of the universe is that of the mechanistic model.
B.(B) Science should avail itself of all possible methods of discerning the truth.
C.(C) The tangible results of scientific inquiry are more important than its philosophical assumptions.
D.(D) Poetic intensity is relatively unimportant in the expression of a scientific theory.
E.(E) Scientific theories should go far beyond the "human scale", where possible.