【单选题】长鳍斑竹鲨的()相当于哺乳动物的C1、C4、C2
【简答题】C—C(1430cm -1 ),C—N(1330cm -1 ),C—O(1280cm -1 ),当势能V=0和V=1时,C—C、C—N、C—O键振动能级之间的相差顺序为( ) A.C—O>C—N>C—C B.C—C>C—N>C—O C.C—N>C—C>C—O D.C—N>C—O>C—C
【判断题】从某种意义上说,员工对组织的忠诚度等同于对雇主的忠诚度。
【判断题】规范典雅的坐姿能向旅客传递自信练达、积极热情、尊重他人的信息和良好的职业风范( )
【简答题】求和: C 1n +2 C 2n +3 C 3n +…+n C nn =______.(n∈N * )
【判断题】规范典雅的坐姿能向旅客传递自信练达、积极热情、尊重他人的信息和良好的职业风范
【判断题】当样本平均数比总体平均数μ(或常数C)大时,没必要做左尾测验,因为测验结果肯定是不显著的。( )
【单选题】The study of the way speech sounds are made by the vocal organs belongs to ______.
C.
articulatory phonetics
D.
experimental phonetics
【多选题】The structure and function of the tectum located in the midbrain are:
A.
The most posterior part of the midbrain, known as the tectum, contains two pairs of rounded projections: the superior & inferior colliculi.
B.
The superior colliculi contain many nuclei involved in controlling the eye to produce vision, including focusing, scanning, and blinking; nerve signals that control the eye are carried by the oculomotor nerve, whose roots arise in the superior colliculi.
C.
The inferior colliculi play a similar role for the sense of hearing by forming relays for auditory pathways to the cerebrum.
D.
Auditory reflexes, such as the startle reflex in response to loud sounds, are processed in the inferior colliculi.