常出现血清促胃液素减少的疾病是
A．卓-艾综合征
B．慢性浅表性胃炎
C．胃溃疡
D．慢性萎缩性胃炎
E．十二指肠壶腹溃疡
参考答案：D
____ our natural resources is very necessary.
A．The most we make of
B．The most we make
C．The most which we make
D．Most which we make of
一般安装在汽车驾驶室内前上方的后视镜是（）。
A、内后视镜
B、外后视镜
C、下视镜
