第14题: [单项选择]下列属于囊肿的声像图特征是() A. 边界回声不清 B. 形态不定 C. 内部无回声 D. 后方回声衰减 E. 不会形成侧缘声影 参考答案:C 答案解析:囊肿最基本的特征为无回声暗区,边清壁薄。
第15题: [多项选择]为增大煤层透气性,可以采取措施有()。 A. 水力压裂 B. 水力割缝 C. 深孔爆破 D. 交叉钻孔 参考答案:A, B, C, D
第16题: [单项选择]How did the woman feel about the show A. The apples and pears might not be so good. B. The apples are not as good as the pears. C. The apples and pears are very good. D. The apples and pears are as good as they look. 参考答案:A 答案解析:[听力原文] W: I intend to buy some fruit for the children. These apples and pears seem to be in seaso
第17题: [单项选择]调整证券保证金比率的货币政策措施属于() A. 一般性调控工具 B. 直接信用控制工具 C. 选择性调控工具 D. 价格型调控工具 参考答案:C