【单选题】In prehistoric times brachiopods were one of the most abundant and diverse forms of life on Earth: more than 30,000 species of this chainlike creature have been cataloged from fossil records. Today br...
A.
rejecting an earlier explanation for the longevity of certain brachiopod species
B.
reevaluating the implications of uniformity among existing brachiopod species
C.
describing the varieties of environmental change to which brachiopods are vulnerable
D.
reconciling opposing explanations for brachiopods' lack of evolutionary success
【单选题】Her father flew into a ______ when he learned that she wanted to get married before she graduated from the university.
【单选题】As is known to all, there are many forms of energy, ______is solar energy.
【单选题】To search for work experience or practical learning, one must get ______.
【单选题】Mary said they _____________________with each other for six years before they got married.
【单选题】The best title for this passage would be ______.
A.
How Babies Learn to Speak
B.
Early Forms of Language
C.
A Huge Task for Children
D.
Noise Making and Language Learning
【单选题】属于对会计对象的个体内容进行的基本分类是()
【单选题】在主机遥控系统中,若发现遥控系统失灵,首先进行的操作是( )。
【单选题】在主机遥控系统中,若发现遥控系统失灵,首先进行的操作是( )
【单选题】在主机遥控系统中,若发现遥控系统失灵,首先进行的操纵是()