___A____ combining together.
A atoms B rocks C gases D water
3. The ____C____ of mammals happened after the
disappearance of the dinosaurs.
A harmful B system C spread D method
1. that
连接词
That the earth moves around the sun
is well known.
2. whether
Whether he will come or not is not
known yet.
3. who
Who will be sent there has not been
2. It is true that he has made a very important discovery in chemistry.
3. It is very likely that they will hold a meeting.
4. It is strange that the man should have stuck to his silly ideas.
been decided yet.
上面的空大家都填对了吗? 上面每个句子都出现了的主 语从句，大家能找到吗？
1. Whose watch was lost is unknown. 2. Whatever you did is right. 3. Whether we will go for an outing
Answer key for exercise 4 on page 28
Violent patient gentle angry rude relaxing kind shocked excited easy-going calm crazy
Emotional words
Violent angry rude Shocked excited crazy
高中英语必修三Unit4：Learning-aboutlanguage
Answer key for exercise 2 on page 28
1. At the beginning, the earth had no___C____.
A dust B atoms C water D matter
2. The development of a planet generally depends on
The evidence for this theory is that the __at_o_m_s__ that make up the rocks on the moon seem to be different from those on earth. What is clear is that the moon is smaller than the earth and this _p_r_ev_e_n_t_s_ it _f_ro_m__ escaping from the earth. Although its origin may still be a _p_u_z_zl_e_, the moon can never be anything more than a satellite of the earth.
8. whoever、whatever、whichever可引 导主语从句。 Whoever comes will be welcome. Whatever he did was right. Whichever of you comes in will receive a prize.
1.w引h导o,主wh语at从,小w句h结连ate词ve有r等th。at, whether,
3. ____in the regulations that you should not tell people the passport of your e-mail account. A. What it required B. What requires C. It is required D. It requires
tomorrow remains unknown. 4. What we need is time. 5. Who will be our monitor hasn't been
decided yet.
主语从句 (Subject Clause)
如果一个句子在复合句中充当一个主语, 那么这个句子就是主语从句。
whether与if均为“是否”
但下列情况下只用whether ： 1. 引导主语从句并在句首
Whether he will come is not clear. 2. 引导表语从句
The question is whether he’ll come.
3. whether从句作介词宾语 I’m not sure about whether we’ll win.
4. Mammals ____B____ when the animals that were
harmful to them disappeared.
A prevented B multiplied C depended D existed
Answer key for exercise 3 on page 28
4. 引导让步状语从句时 Whether you like it or not, you’ll have to do it.
注意事项
1. 主语从句位于句首时必须由连接词 引导。
2. 主语从句后置时引导词that可省略。 3. 主语从句位于句首时,不能用if 引导。 4. 主语从句后置时, 可以用if引导。
decided.
4. what What you need is more practice.
5. which Which one is the best is not clear.
6. when, where Where he has gone is a question.
7. why, how Why there is gravity is hard to understand. How he can earn a living in Britain remains a big problem.
1. _W__h_o_s_e watch was lost is unknown. 2. W__h__a_te_v_e_ryou did is right. 3. _W__h_e_t_h_e_r_ we will go fo. 4. _W__h_a_t_ we need is time. 5. _W__h_o__ will be our monitor hasn't
6. It now appears ___ they are in
need of help.
Calm words
Patient gentle relaxing Kind easy-going calm
Unit 4 Grammar
Noun clauses as the subject
Use the words below to fill in the blanks.
whether what who whose whatever
1. ____makes this shop different is that it offers more personal services. A. What B. Who C. Whatever D. Whoever
2. These wild flowers are so special I would do____ I can to save them. A. whatever B. that C. which D. whichever
2.2. 连词位于句首不能省略。 3.3. 主语从句大多数情况下视为第
三 4. 人称单数, 但在关系代词what引
导 5. 的主语从句后谓语动词的数要
根
为了防止句子头重脚轻，通常把形式 主语it 放在主语位置，真正主语后置。
1. It is certain that he will win the match.
tomorrow remains unknown. 4. What we need is time. 5. Who will be our monitor hasn't been
decided yet.
1. Whose watch was lost is unknown. 2. Whatever you did is right. 3. Whether we will go for an outing
4. It is pretty well understood ____
controls the flow of carbon dioxide
in and out of the atmosphere today.
A. that
B. when
C. what
D. how
5. _____ made the school proud was ____ more than 90% of the students had been admitted to key universities. A. What; because B. What; that C. That; what D. That; because
Is the moon a planet? This question is f_u_n_d_a_m_e_n_ta_lif students are to show that they understand the nature of _a_st_r_o_n_o_m_y__. Some scientists think that the earth _g_a_v_e _b_ir_t_h_t_o the moon because the moon circles our planet. Others believe that the moon _ex_i_s_te_d_ before the earth was formed. They think that earlier in time it travelled through space as a small planet which was caught by the earth’s gravity. _A__s_a_r_e_su_l_t_, it goes around our planet.