下列哪些方法属于bottom up的制备路线？
下列哪些方法属于bottom up的制备路线？
The oil pan is located on the of the engine. A: up B: high C: bottom D: center
The oil pan is located on the of the engine. A: up B: high C: bottom D: center
is a horizontal strip of material that runs the length of a coach along the bottom of the sides to hold up the weight of the roof and sides.
is a horizontal strip of material that runs the length of a coach along the bottom of the sides to hold up the weight of the roof and sides.
The two-stroke cycle begins with the piston coming up from the bottom of its stroke， with scavenge ports in the sides of the cylinder being （）.
The two-stroke cycle begins with the piston coming up from the bottom of its stroke， with scavenge ports in the sides of the cylinder being （）.
在标记中，其align属性值可以是（）。 A: left B: bottom C: center D: up
在标记中，其align属性值可以是（）。 A: left B: bottom C: center D: up
中国大学MOOC: The process of the bottom up modal expects the listener to have a very effective________ as they have to make sense of every sound.
中国大学MOOC: The process of the bottom up modal expects the listener to have a very effective________ as they have to make sense of every sound.
SLA的分层方式是： A: Top Down B: Bottom Up C: 下沉式 D: 提拉式
SLA的分层方式是： A: Top Down B: Bottom Up C: 下沉式 D: 提拉式
TPP的分层方式是： A: Top Down B: Bottom Up C: 提拉式 D: 下沉式
TPP的分层方式是： A: Top Down B: Bottom Up C: 提拉式 D: 下沉式
At the bottom dead center (BDC), the piston moves back up, compressing the trapped fuel-air mixture in the cylinder with both intake and exhaust valves closed．
At the bottom dead center (BDC), the piston moves back up, compressing the trapped fuel-air mixture in the cylinder with both intake and exhaust valves closed．
What are the suggestions about being more efficient? Given by Lisa? A: To employ more workers. B: To improve the bottom line by tightening up expenses.
What are the suggestions about being more efficient? Given by Lisa? A: To employ more workers. B: To improve the bottom line by tightening up expenses.