30. Each cell contains (A.)a number of chromosomes, (B.)each has genes (C.)determining (D.)what characteristics the animal or plant will have.
(A)a number of
(B)each has
(C)determining
(D)what characteristics
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統計: A(37), B(145), C(75), D(25), E(0) #2351318
統計: A(37), B(145), C(75), D(25), E(0) #2351318
詳解 (共 5 筆)
#5599767
a number of表示「一些...」,因為是指一些東西,所以動詞也要用複數。
a number of+Ns+動詞(複數)
A number of people join the party this night.(一些人參加了今晚的派對)
ㅤㅤ
the number of表示「...的數量」,用於表達某樣東西的「數量」,所以動詞用單數。
the number of+Ns+動詞(單數)
The number of apples is 7.(蘋果的數量是7個)
5
0
#5101870
chromosomes 染色體
Each cell contains a number of chromosomes, each genes determining what characteristics the animal or plant will have.
每個細胞都包含許多染色體,基因決定了動物或植物將具有的特徵。
5
2
#5746218
each當代名詞each of them
each當形容詞each gene
each當形容詞each gene
1
0
#6116539
Each cell contains a number of chromosomes, each of which has genes determining what characteristics the animal or plant will have.
Each cell contains a number of chromosomes and each has genes determining what characteristics the animal or plant will have.
Each cell contains a number of chromosomes and each has genes determining what characteristics the animal or plant will have.
0
0