满足-1＜x≤3的整数解有（ ）
A．3个
B．4个
C．5个
D．6个
根据数轴可知：满足-1＜x≤3的整数解有0，1，2，3共4个，故选B．
She hardly ever speaks English after class, for she is afraid mistakes.
A．to making
B．to make
C．of make
D．makes
（）是气候系统的主要能源。
A.火山喷发
B.太阳辐射
C.地热
D.化石能源
