①There is a ping-pong game on April ____ (twenty-nine)．

②____ Tom ____ (like) the tennis game?　

③Jim ____ (have) an art class every day.

④Do you know his brother is only 5 ____ (year) old?

⑤ My mother wants ____ (have) a party for me.

⑥Those boys and girls are all ____ (China).

⑦ -How many ____ (sweater) do you have?  -Three.

⑧Today is my ____ (twenty) birthday.

⑨They want to have two baseball ____ (game).

⑩When ____ (be) the School Day?

图中能使腐烂的水果散发出酒味的微生物是（    ）

如图所示，闭合导线框的质量可以忽略不计，将它从图示位置匀速拉出匀强磁场．若第一次用0.3s的时间拉出，外力所做的功为W₁，通过导线横截面的电荷量为q₁；第二次用0.9s时间拉出，外力所做的功为W₂，通过导线横截面的电荷量为q₂，则（   ）

下列有关美国独立战争和南北战争共同影响的描述，正确的是(     )