Lembaran formula, langkah kaedah utama untuk setiap topik dan 16 soalan latihan, dengan penyelesaian penuh di bahagian belakang.
“Unlike email, which can be read at any time, a phone call needs both people to be available at once.” What difference does the sentence describe?
The author writes: “Our school’s new start time of 9 a.m. instead of 8 a.m. has been a success. Attendance is up, and students say they feel more awake. A few parents have complained about later pick-ups.” Which statement best summarises the passage?
Sepasang kasut berharga $65.75. Ia dijual dengan diskaun 30%, dan cukai jualan 10% ditambah pada harga jualan. Berapakah harga akhir P? Bundarkan kepada sen terdekat.
Carta pai menunjukkan bagaimana 1200 pekerja sebuah hospital dibahagikan antara jabatan A hingga D. Berapakah sudut θ sektor bagi jabatan B, dalam darjah?
Saraf manakah yang membekalkan diafragma?
Otot manakah yang "membuka kunci" lutut yang terekstensi sepenuhnya dengan memutar femur secara lateral pada tibia pada permulaan fleksi?
Bagaimanakah pecahan ejeksi dikira?
Dalam eksperimen klasik Otto Loewi, cecair daripada jantung katak yang dirangsang vagus memperlahankan jantung kedua. Apakah yang ditunjukkan oleh ini?
A patient's blood type is B positive. What does this mean?
Starch and cellulose are both made of glucose. Why can humans digest starch but not cellulose?
Which type of bond holds the two atoms together in a nitrogen molecule, N₂?
An element has the electron arrangement 2, 8, 8, 2. Where is it on the periodic table?
Which time is written correctly in American style?
Choose the correct verb: “If it rains tomorrow, we ___ the picnic.”
Choose the meaning of the word in bold: “The preliminary results look promising.”
What does the term bradykinesia mean?
Jawapan: D · Calls need both people free at once.
The sentence contrasts email, which can be read whenever is convenient, with a phone call, which needs both people available at the same moment.
Jawapan: D · The later start helps students, but some parents object.
The passage reports better attendance and alertness, with some parental complaints. Only the first choice includes both the benefits and the objection.
Jawapan: P = 50.63 $
Diskaun dan cukai jualan: diskaun d% meninggalkan (100 − d)% daripada harga; cukai t% menambah t% daripada harga selepas diskaun. Kerjakan mengikut urutan itu: harga × (1 − d/100), kemudian × (1 + t/100). Bundarkan wang kepada sen terdekat hanya pada akhirnya.
Jawapan: θ = 18 °
Membaca carta dan jadual: baca tajuk, kategori dan skala dahulu. Pada carta bar atau graf garis, ikuti puncak bar atau titik melintang ke paksi mencancang; setiap garis grid ialah satu langkah skala. Carta pai menunjukkan bahagian daripada keseluruhan: sektor p% mewakili p% daripada jumlah dan mempunyai sudut p% daripada 360°.
Jawapan: A · Saraf frenik
Saraf frenik (akar C3–C5) ialah bekalan motor kepada diafragma. Kecederaan saraf tunjang serviks tinggi di atas C3 oleh itu menghentikan pernafasan spontan.
Jawapan: D · Popliteus
Pada ekstensi penuh lutut terkunci melalui putaran medial femur. Popliteus memutar femur secara lateral pada tibia yang tetap untuk membuka kuncinya supaya fleksi dapat bermula.
Jawapan: B · Isi padu strok ÷ isi padu akhir diastolik
Pecahan ejeksi ialah perkadaran darah dalam ventrikel penuh yang dikeluarkan setiap denyutan. Nilai normal kira-kira 55–70%.
Jawapan: B · Saraf menyampaikan isyarat kepada sasarannya dengan membebaskan bahan kimia
Cecair itu membawa "Vagusstoff", yang kemudian dikenal pasti sebagai asetilkolin. Ini bukti jelas pertama untuk penghantaran neuro kimia.
Jawapan: B · Their red cells carry the B antigen and the RhD antigen
Type B means the B antigen is on the red cells (and anti-A antibodies are in the plasma). Positive means the RhD antigen is also present.
Jawapan: A · Humans lack an enzyme that breaks the bonds in cellulose
The glucose units in cellulose are joined by a different type of bond than in starch. Humans make amylase for starch but no enzyme for cellulose. Cows rely on gut microbes that make cellulase.
Jawapan: B · A triple covalent bond
Each N shares 3 electrons, giving three shared pairs, a triple bond. This very strong bond is why N₂ gas is so unreactive.
Jawapan: A · Group 2, period 4
Four occupied shells means period 4, and 2 outer electrons means group 2. This element has 20 electrons, so it is calcium.
Jawapan: C · 7:30 a.m.
In American style, a colon separates the hour from the minutes: 7:30 a.m. British style often uses a full stop instead (7.30 a.m.), so D would be accepted there.
Jawapan: D · will postpone
For a likely future condition, use the present tense in the if-clause and “will” + base verb in the main clause. “Would” is used for unreal or unlikely conditions.
Jawapan: C · Early and not final
Preliminary means coming before the main or final part.
Jawapan: C · Slowness of movement
Bradykinesia is slowness of movement, a key feature of Parkinson disease.
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