4. A: Did you come to any conclusions? B: Yes, we __co_n_c_l_u_d_e_d_ that by drawing out the extract at a low temperature, we could find the substance that we needed to complete the experiment.
3. 先行词不同
限制性定语从句: 可以修饰名词或代词; 非限制性定语从句: 可以修饰member the man who taught us English? She and her family bicycle to work, which helps them keep fit.
He is an English teacher who likes singing songs.
先行词 关系代词 定语从句
定 语
关系代词
指人
that(主语/宾语/表语), who(主语/宾语), whom(宾语), whose(定语), as(主语/宾语/表语)
从
指物 that, which(主语、宾语), whose, as
3. _p_r_o_p_e_r_ti_e_s_ qualities or characteristics of something
Her team examined ... for their medical properties. 4. ___l_iq_u_i_d___ a kind of substance that flows freely, such as water or milk
They then tried ... using the liquid obtained from this to treat malaria, ... 5. __su_b_s_t_a_n_ce__ physical material that exists