May you _________ the past with as much pleasure as you look forward to the future. (look)
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She tried to swallow, but couldn't, her throat had almost _________. (close)
Please translate the following sentence.在记者反复追问下，该影星终于说漏了嘴，承认自己做过两次整容手术（plastic surgery）。(blurt, grill)
管路水力计算中的所谓短管是指______。
A. 长度很长的管路
B. 总能量损失很大的管路
C. 局部损失与沿程损失相比较可以忽略的管路
D. 局部损失与沿程损失均不能忽略的管路
符合下面那一条件是简单管路______。
A. 沿程直径不变
B. 沿程相对粗糙度不变
C. 沿程流量不变
D. 沿程直径不变、相对粗糙度不变、流量不变
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