题目内容

Have you ever spent a lot of time ______ for a perfect Christmas present

A. search
B. to search
C. searching
D. searched

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临床牙冠是指

A. 显露于口腔的部分
B. 被牙龈覆盖的部分
C. 发挥磨碎功能的部分
D. 被牙本质包裹的牙体部分
E. 由釉质所包裹的牙体部分

为维护司法独立，法官有权( )。

A. 独立审理案件，不受任何机关的监督
B. 作为合议庭的成员，法官如认为审判委员会的决定错误，有权拒绝执行
C. 自主作出判断
D. 根据自己的喜好对案件的有关证据进行取舍

Russian women had to wear protective masks as they walked in Moscow, which was () by a heavy smog yesterday.

A. shrouded
B. unveiled
C. decayed
D. deprived

______ around our city, the foreigners were invited to have attend an evening party.

A. Have shown
B. Having been shown
C. Been shown
D. Being showing