在航区内滩上流速为()m/s的航段为丁级航段。
A.3.5以上
B.3.5~4.5
C.5.0~6.5
D.4.5~6.5
参考答案:A
植物细胞和动物细胞中储存能量的糖类依次是[ ]
A.纤维素和糖原
B.麦芽糖和乳糖
C.淀粉和糖原
D.葡萄糖和纤维素
It was ______ late to catch a bus after the party, so we called a taxi. [ ]
A. too very
B. much too
C. too much
D. quite