成人高考 2022_03_18 每日一练
There is a lot of evidence stress ________is partly responsible for the disease
A.what
B.which
C.as
D.that
Gestures, a body language of human beings, _________widely from culture to culture.
A. change
B. vary
C. differ
D. alternate
阳性植物的特点有( )
A.在全日照下生长最好,但也能忍耐适度的荫蔽
B.枝叶稀疏、透光,自然整枝良好,树皮较厚,生长较快
C.植物体内含盐分少,渗透压低,抗高温、干旱、病害能力较弱
D.茎较细长,节间较长,分枝较少;内部细胞体积较大;维管束数目较少;含水量较多