【简答题】命名下列化合物。 (1) (2) (3) (4)
【简答题】词类分词汇范畴与功能范畴,大致对应于汉语中的______与______。
【多选题】以下关于人类的流体智力的说法,哪些是正确的?
A.
流体智力不是一个人生来就能进行智力活动的能力
C.
流体智力是随着人类神经系统的成熟而逐渐提高的,经过小学和中学的训练后已经达到顶峰。
【简答题】One empirical study found that sleep-deprived medical staff working on the night shift were twice as likely to _______ patients’ test results.
【单选题】下列化合物中,只含有共价键的化合物是( )
【单选题】下列化合物中阳离子与阴离子半径比最小的是
【简答题】n. [U] a feeling of being comfortable, healthy and happy 舒适,健康,幸福
【单选题】As I am not feeling too well, I really appreciate ___ to take my place.
【简答题】16) One empirical study found that sleep-deprived medical staff working on the night shift were twice as likely to patients’ test results.
【多选题】下列化合物中,属于共价化合物的是 [ ]