Our English ______ far better in a month if we try harder.
A:becomes
B:will become
C:has become
D:became
阅读短文, 判断句子对错。
I am 8 years old. I have 2 pencils. I have 4 rulers. I have a friend. Amy is 9 years old. She has 9 pencils and a ruler.
I'm eight years old.____
I have 2 friends.____
I have five rulers.____
Amy has nine pencils.____
Amy is nine. ____
shèng kāi
wán shuǎ
diào yú
guān chá
____
hé lǒng
yì běn zhèng jīng
yǒu qù
yǐn rén zhù mù
为了探究草履虫对刺激作出的反应,某同学在载玻片两端分别滴一滴草履虫培养液,用解剖针把两滴培养液连通起来,在草履虫培养液左侧放少许食盐(如图所示).用放大镜观察,大多数草履虫( )