旋耕深度一般在()。
A.10-12cm
B.20-30cm
C.15-20cm
D.50cm
参考答案:A
He expressed his hope _______ he would visit China again the next year, and this was the very hope ______ he expressed as soon as he arrived in the country.
A.that; that
B.which; which
C.that; which
D.which; that
下列关于目前国际化标准组织拟定的集装基础模式尺寸,错误的是()。
A.1200mm×1000mm
B.1200mm×800mm
C.1100mm×1100mm
D.1200mm×1100mm