粉煤灰细度试验要求天平量程及最小分度值不大于()。
A.100g,0.1g
B.100g,0.01g
C.500g,0.1g
D.50g,0.01g
参考答案:D
—I’m sincerely inviting you to join our chess club, Mr Turban.
—Thanks, but I’m not ________as any of you.
A.as a good player
B.as good a player
C.as player a good
D.as good player
关于胃肠内在神经丛的叙述,恰当的是()。
A.包括黏膜下神经丛和肌间神经丛
B.含大量神经纤维,但神经元不多
C.仅有运动功能,而无感觉功能
D.递质仅是乙酰胆碱或去甲肾上腺素
E.不受外采自主神经系统的控制